50

" XBD=321 XHG=163 YBD=221 YHG=183>Twenty " XBD=444 XHG=336 YBD=221 YHG=191>years " XBD=490 XHG=459 YBD=212 YHG=182>is " XBD=594 XHG=505 YBD=221 YHG=181>long " XBD=757 XHG=609 YBD=221 YHG=182>enough " XBD=814 XHG=773 YBD=213 YHG=184>to " XBD=912 XHG=829 YBD=213 YHG=191>rear " XBD=949 XHG=927 YBD=212 YHG=191>a |>" XBD=1123 XHG=964 YBD=221 YHG=182>family ; " XBD=1298 XHG=1154 YBD=213 YHG=182>so that" XBD=145 XHG=117 YBD=256 YHG=226>if " XBD=299 XHG=164 YBD=256 YHG=226>houses " XBD=359 XHG=320 YBD=255 YHG=226>of " XBD=454 XHG=378 YBD=265 YHG=225>this " XBD=648 XHG=470 YBD=264 YHG=225>life-span " XBD=732 XHG=668 YBD=256 YHG=234>are " XBD=1030 XHG=748 YBD=264 YHG=225>contemplated " XBD=1144 XHG=1050 YBD=263 YHG=225>they " XBD=1299 XHG=1164 YBD=255 YHG=224>should" XBD=163 XHG=119 YBD=299 YHG=267>be " XBD=297 XHG=194 YBD=299 YHG=277>more " XBD=498 XHG=326 YBD=306 YHG=262>spacious " XBD=624 XHG=527 YBD=299 YHG=268>than " XBD=720 XHG=654 YBD=299 YHG=268>the " XBD=859 XHG=751 YBD=299 YHG=269>doll’s " XBD=1006 XHG=888 YBD=299 YHG=268>house " XBD=1077 XHG=1036 YBD=298 YHG=270>at " XBD=1174 XHG=1108 YBD=299 YHG=268>the " XBD=1299 XHG=1204 YBD=299 YHG=262>Tate" XBD=279 XHG=119 YBD=351 YHG=312>Gallery. " XBD=408 XHG=330 YBD=342 YHG=311>The " XBD=553 XHG=433 YBD=342 YHG=311>Times " XBD=698 XHG=572 YBD=342 YHG=311>writer |>" XBD=882 XHG=718 YBD=348 YHG=312>reminds " XBD=947 XHG=902 YBD=342 YHG=321>us " XBD=1008 XHG=968 YBD=342 YHG=312>of " XBD=1093 XHG=1026 YBD=342 YHG=312>the " XBD=1297 XHG=1113 YBD=352 YHG=312>Birming-" XBD=206 XHG=115 YBD=389 YHG=355>ham " XBD=457 XHG=224 YBD=394 YHG=355>experiment " XBD=514 XHG=476 YBD=385 YHG=355>in " XBD=656 XHG=533 YBD=386 YHG=355>which " XBD=698 XHG=675 YBD=386 YHG=365>a |>" XBD=940 XHG=717 YBD=394 YHG=347>permanent " XBD=1299 XHG=959 YBD=394 YHG=354>light -framework" XBD=156 XHG=117 YBD=429 YHG=399>of " XBD=270 XHG=176 YBD=429 YHG=398>steel " XBD=424 XHG=288 YBD=429 YHG=398>with-a " XBD=666 XHG=442 YBD=437 YHG=400>permanent " XBD=770 XHG=686 YBD=429 YHG=399>roof " XBD=859 XHG=790 YBD=429 YHG=408>can " XBD=927 XHG=879 YBD=429 YHG=398>be " XBD=1057 XHG=946 YBD=438 YHG=398>given " XBD=1197 XHG=1077 YBD=429 YHG=398>either " XBD=1336 XHG=1215 YBD=439 YHG=408>per-" XBD=272 XHG=117 YBD=472 YHG=443>manent " XBD=336 XHG=294 YBD=472 YHG=451>or " XBD=575 XHG=356 YBD=481 YHG=443>temporary " XBD=712 XHG=596 YBD=472 YHG=442>walls. " XBD=842 XHG=763 YBD=472 YHG=441>The " XBD=1034 XHG=864 YBD=473 YHG=442>skeleton " XBD=1127 XHG=1054 YBD=477 YHG=451>can " XBD=1195 XHG=1147 YBD=473 YHG=442>be " XBD=1297 XHG=1215 YBD=483 YHG=452>pre-" XBD=341 XHG=115 YBD=521 YHG=485>fabricated, " XBD=467 XHG=361 YBD=516 YHG=495>serve " XBD=714 XHG=484 YBD=524 YHG=485>adequately " XBD=841 XHG=732 YBD=515 YHG=485>while " XBD=1051 XHG=860 YBD=516 YHG=485>materials " XBD=1147 XHG=1070 YBD=516 YHG=486>and " XBD=1299 XHG=1165 YBD=517 YHG=486>labour" XBD=179 XHG=117 YBD=558 YHG=537>are " XBD=341 XHG=205 YBD=565 YHG=537>scarce, " XBD=444 XHG=367 YBD=560 YHG=529>and |>" XBD=631 XHG=467 YBD=560 YHG=529>achieve. " XBD=716 XHG=645 YBD=558 YHG=528>full " XBD=962 XHG=738 YBD=568 YHG=530>permanent " XBD=1112 XHG=988 YBD=560 YHG=530>status " XBD=1298 XHG=1135 YBD=560 YHG=529>without" XBD=257 XHG=118 YBD=603 YHG=572>serious " XBD=565 XHG=276 YBD=604 YHG=572>inconvenience " XBD=625 XHG=584 YBD=603 YHG=574>to " XBD=712 XHG=645 YBD=603 YHG=572>the " XBD=925 XHG=730 YBD=610 YHG=572>residents. " XBD=1015 XHG=978 YBD=603 YHG=572>It " XBD=1213 XHG=1034 YBD=604 YHG=572>thus-has " XBD=1298 XHG=1232 YBD=605 YHG=573>the" XBD=289 XHG=117 YBD=656 YHG=616>makings " XBD=346 XHG=308 YBD=647 YHG=617>of " XBD=387 XHG=364 YBD=647 YHG=625>a " XBD=516 XHG=404 YBD=647 YHG=616>home " XBD=632 XHG=533 YBD=646 YHG=617>from " XBD=716 XHG=650 YBD=646 YHG=616>the " XBD=844 XHG=735 YBD=646 YHG=617>start. " XBD=946 XHG=893 YBD=646 YHG=616>At " XBD=1058 XHG=967 YBD=647 YHG=616>Hull " XBD=1183 XHG=1075 YBD=648 YHG=616>there " XBD=1298 XHG=1199 YBD=648 YHG=617>have" XBD=210 XHG=115 YBD=691 YHG=660>been " XBD=477 XHG=225 YBD=700 YHG=660>experiments " XBD=531 XHG=492 YBD=691 YHG=661>in " XBD=718 XHG=548 YBD=699 YHG=659>building " XBD=1009 XHG=732 YBD=699 YHG=659>prefabricated " XBD=1160 XHG=1023 YBD=692 YHG=660>houses " XBD=1297 XHG=1174 YBD=692 YHG=661>which" XBD=187 XHG=116 YBD=735 YHG=713>can " XBD=259 XHG=211 YBD=734 YHG=703>be " XBD=354 XHG=283 YBD=744 YHG=705>put " XBD=430 XHG=379 YBD=744 YHG=714>up " XBD=550 XHG=457 YBD=743 YHG=713>very " XBD=730 XHG=577 YBD=742 YHG=703>quickly " XBD=831 XHG=755 YBD=734 YHG=704>and " XBD=949 XHG=851 YBD=735 YHG=704>with " XBD=1174 XHG=973 YBD=744 YHG=703>relatively " XBD=1297 XHG=1198 YBD=736 YHG=703>little" XBD=260 XHG=114 YBD=779 YHG=748>labour. " XBD=647 XHG=309 YBD=779 YHG=748>Accommodation " XBD=746 XHG=687 YBD=778 YHG=747>for " XBD=897 XHG=787 YBD=779 YHG=748>small " XBD=1098 XHG=936 YBD=779 YHG=748>families " XBD=1209 XHG=1138 YBD=779 YHG=758>can " XBD=1297 XHG=1250 YBD=779 YHG=749>be" XBD=282 XHG=119 YBD=823 YHG=791>doubled " XBD=360 XHG=307 YBD=832 YHG=792>by " XBD=608 XHG=387 YBD=831 YHG=791>converting " XBD=734 XHG=632 YBD=831 YHG=792>large " XBD=894 XHG=759 YBD=823 YHG=791>houses " XBD=1001 XHG=921 YBD=823 YHG=792>into " XBD=1105 XHG=1028 YBD=824 YHG=794>two " XBD=1218 XHG=1131 YBD=823 YHG=791>flats " XBD=1298 XHG=1245 YBD=831 YHG=792>by" XBD=258 XHG=117 YBD=877 YHG=835>adding " XBD=341 XHG=291 YBD=867 YHG=845>an " XBD=483 XHG=374 YBD=866 YHG=837>extra " XBD=670 XHG=515 YBD=866 YHG=835>kitchen " XBD=780 XHG=704 YBD=866 YHG=835>and " XBD=1040 XHG=813 YBD=873 YHG=836>bathroom ; " XBD=1155 XHG=1088 YBD=867 YHG=835>the " XBD=1297 XHG=1189 YBD=866 YHG=836>extra" XBD=335 XHG=116 YBD=919 YHG=879>equipment " XBD=432 XHG=362 YBD=909 YHG=888>can " XBD=504 XHG=456 YBD=910 YHG=879>be " XBD=709 XHG=529 YBD=911 YHG=880>removed " XBD=842 XHG=733 YBD=911 YHG=879>when " XBD=933 XHG=868 YBD=910 YHG=879>the " XBD=1075 XHG=958 YBD=910 YHG=880>house " XBD=1132 XHG=1102 YBD=910 YHG=880>is " XBD=1298 XHG=1159 YBD=910 YHG=879>turned" XBD=213 XHG=115 YBD=954 YHG=923>back " XBD=312 XHG=231 YBD=954 YHG=923>into " XBD=355 XHG=333 YBD=953 YHG=932>a " XBD=486 XHG=374 YBD=953 YHG=923>home " XBD=564 XHG=505 YBD=953 YHG=923>for " XBD=606 XHG=584 YBD=953 YHG=932>a " XBD=743 XHG=627 YBD=963 YHG=924>single " XBD=907 XHG=761 YBD=962 YHG=923>family. " XBD=1063 XHG=957 YBD=955 YHG=923>With " XBD=1189 XHG=1082 YBD=954 YHG=923>these " XBD=1295 XHG=1209 YBD=953 YHG=931>con-" XBD=337 XHG=115 YBD=998 YHG=967>siderations " XBD=400 XHG=360 YBD=997 YHG=967>in " XBD=529 XHG=424 YBD=997 YHG=967>mind " XBD=713 XHG=552 YBD=1007 YHG=967>housing " XBD=958 XHG=736 YBD=998 YHG=967>authorities " XBD=1118 XHG=982 YBD=997 YHG=966>should " XBD=1188 XHG=1136 YBD=997 YHG=966>be " XBD=1297 XHG=1212 YBD=997 YHG=966>able" XBD=155 XHG=114 YBD=1041 YHG=1013>to " XBD=275 XHG=182 YBD=1050 YHG=1010>plan. " XBD=398 XHG=300 YBD=1041 YHG=1010>their " XBD=595 XHG=424 YBD=1052 YHG=1010>building " XBD=662 XHG=621 YBD=1042 YHG=1013>to " XBD=791 XHG=691 YBD=1042 YHG=1014>meet " XBD=884 XHG=819 YBD=1042 YHG=1011>the " XBD=1025 XHG=911 YBD=1042 YHG=1010>needs " XBD=1094 XHG=1053 YBD=1040 YHG=1010>of " XBD=1327 XHG=1122 YBD=1041 YHG=1009>different" XBD=294 XHG=114 YBD=1085 YHG=1055>elements " XBD=353 XHG=313 YBD=1085 YHG=1055>in " XBD=438 XHG=372 YBD=1085 YHG=1054>the " XBD=681 XHG=457 YBD=1094 YHG=1056>population " XBD=742 XHG=703 YBD=1085 YHG=1056>of " XBD=860 XHG=761 YBD=1086 YHG=1055>their " XBD=978 XHG=879 YBD=1085 YHG=1064>area. " XBD=1108 XHG=1029 YBD=1085 YHG=1054>The " XBD=1294 XHG=1130 YBD=1085 YHG=1053>Govern-" XBD=219 XHG=115 YBD=1129 YHG=1099>ment " XBD=396 XHG=248 YBD=1135 YHG=1099>houses, " XBD=567 XHG=422 YBD=1140 YHG=1098>despite " XBD=659 XHG=591 YBD=1131 YHG=1099>the " XBD=812 XHG=681 YBD=1130 YHG=1099>charm " XBD=881 XHG=841 YBD=1130 YHG=1099>of " XBD=1108 XHG=908 YBD=1133 YHG=1098>freshness, " XBD=1201 XHG=1138 YBD=1128 YHG=1106>are " XBD=1296 XHG=1230 YBD=1128 YHG=1099>too" XBD=293 XHG=99 YBD=1181 YHG=1142>.cramped " XBD=370 XHG=310 YBD=1173 YHG=1143>for " XBD=460 XHG=387 YBD=1181 YHG=1143>the " XBD=618 XHG=470 YBD=1183 YHG=1143>rearing " XBD=676 XHG=636 YBD=1174 YHG=1143>of " XBD=829 XHG=692 YBD=1181 YHG=1142>hearty " XBD=1026 XHG=848 YBD=1173 YHG=1141>children. " XBD=1184 XHG=1076 YBD=1180 YHG=1140>They " XBD=1298 XHG=1200 YBD=1172 YHG=1141>need" XBD=217 XHG=115 YBD=1216 YHG=1195>more " XBD=455 XHG=234 YBD=1217 YHG=1186>head-room " XBD=550 XHG=473 YBD=1217 YHG=1186>and " XBD=725 XHG=567 YBD=1226 YHG=1195>passage " XBD=860 XHG=742 YBD=1222 YHG=1195>room, " XBD=903 XHG=879 YBD=1216 YHG=1194>a " XBD=1027 XHG=920 YBD=1225 YHG=1185>place " XBD=1296 XHG=1043 YBD=1218 YHG=1184>for dustbins" XBD=190 XHG=114 YBD=1260 YHG=1229>and " XBD=356 XHG=213 YBD=1261 YHG=1229>clothes " XBD=485 XHG=380 YBD=1266 YHG=1230>lines, " XBD=535 XHG=511 YBD=1260 YHG=1239>a " XBD=663 XHG=559 YBD=1261 YHG=1230>third " XBD=866 XHG=685 YBD=1261 YHG=1229>bedroom " XBD=930 XHG=889 YBD=1260 YHG=1230>to " XBD=1164 XHG=956 YBD=1268 YHG=1237>encourage " XBD=1294 XHG=1187 YBD=1260 YHG=1227>these" XBD=214 XHG=113 YBD=1313 YHG=1273>large " XBD=392 XHG=232 YBD=1306 YHG=1273>families " XBD=497 XHG=412 YBD=1305 YHG=1283>now " XBD=558 XHG=516 YBD=1304 YHG=1283>so " XBD=714 XHG=576 YBD=1313 YHG=1274>widely " XBD=1033 XHG=732 YBD=1309 YHG=1272>recommended, " XBD=1131 XHG=1053 YBD=1303 YHG=1272>and " XBD=1173 XHG=1149 YBD=1302 YHG=1281>a " XBD=1296 XHG=1193 YBD=1303 YHG=1281>more" XBD=282 XHG=113 YBD=1357 YHG=1317>pleasing " XBD=476 XHG=303 YBD=1348 YHG=1317>exterior. " XBD=710 XHG=541 YBD=1348 YHG=1316>Granted " XBD=788 XHG=731 YBD=1348 YHG=1327>we " XBD=923 XHG=819 YBD=1348 YHG=1318>must " XBD=1056 XHG=944 YBD=1348 YHG=1316>make " XBD=1171 XHG=1077 YBD=1348 YHG=1316>shift " XBD=1251 XHG=1191 YBD=1347 YHG=1316>for " XBD=1298 XHG=1274 YBD=1347 YHG=1326>a" XBD=217 XHG=113 YBD=1398 YHG=1361>time, " XBD=285 XHG=231 YBD=1392 YHG=1360>let " XBD=343 XHG=298 YBD=1392 YHG=1370>us " XBD=419 XHG=356 YBD=1401 YHG=1362>try " XBD=473 XHG=432 YBD=1392 YHG=1362>to " XBD=624 XHG=488 YBD=1392 YHG=1360>choose " XBD=703 XHG=636 YBD=1391 YHG=1361>the " XBD=801 XHG=716 YBD=1399 YHG=1360>best " XBD=1016 XHG=815 YBD=1400 YHG=1360>expedient " XBD=1070 XHG=1031 YBD=1392 YHG=1361>of " XBD=1212 XHG=1083 YBD=1401 YHG=1368>many. " XBD=1294 XHG=1240 YBD=1391 YHG=1360>To" XBD=187 XHG=113 YBD=1436 YHG=1405>live " XBD=302 XHG=198 YBD=1436 YHG=1405>what " XBD=452 XHG=315 YBD=1446 YHG=1405>almost " XBD=643 XHG=466 YBD=1436 YHG=1406>amounts " XBD=696 XHG=656 YBD=1435 YHG=1406>to " XBD=734 XHG=710 YBD=1435 YHG=1414>a " XBD=911 XHG=746 YBD=1436 YHG=1414>caravan " XBD=987 XHG=922 YBD=1436 YHG=1404>life " XBD=1057 XHG=998 YBD=1436 YHG=1405>for " XBD=1174 XHG=1069 YBD=1436 YHG=1414>some " XBD=1294 XHG=1186 YBD=1444 YHG=1413>years " XBD=1334 XHG=1320 YBD=1420 YHG=1417>--" XBD=203 XHG=114 YBD=1488 YHG=1458>may " XBD=269 XHG=220 YBD=1479 YHG=1448>be " XBD=385 XHG=287 YBD=1488 YHG=1443>good " XBD=598 XHG=404 YBD=1488 YHG=1448>discipline " XBD=655 XHG=616 YBD=1479 YHG=1448>in " XBD=831 XHG=674 YBD=1479 YHG=1448>tidiness " XBD=926 XHG=850 YBD=1480 YHG=1448>and " XBD=1295 XHG=945 YBD=1489 YHG=1448>temper-keeping ;" XBD=183 XHG=113 YBD=1523 YHG=1492>but " XBD=324 XHG=207 YBD=1528 YHG=1492>these, " XBD=495 XHG=349 YBD=1532 YHG=1492>though " XBD=720 XHG=519 YBD=1533 YHG=1492>delightful " XBD=782 XHG=742 YBD=1523 YHG=1492>in " XBD=904 XHG=805 YBD=1523 YHG=1493>their " XBD=1027 XHG=926 YBD=1532 YHG=1495>way; " XBD=1113 XHG=1048 YBD=1524 YHG=1502>are " XBD=1294 XHG=1135 YBD=1524 YHG=1492>not the" XBD=256 XHG=113 YBD=1568 YHG=1536>virtues " XBD=356 XHG=276 YBD=1567 YHG=1536>of-a " XBD=556 XHG=375 YBD=1576 YHG=1545>generous " XBD=653 XHG=576 YBD=1567 YHG=1536>and " XBD=887 XHG=672 YBD=1577 YHG=1536>expanding " XBD=1040 XHG=906 YBD=1576 YHG=1536>family " XBD=1137 XHG=1058 YBD=1568 YHG=1536>life.

TREATMENT OF SILICOSIS

" XBD=291 XHG=160 YBD=1715 YHG=1682>WHEN " XBD=472 XHG=322 YBD=1722 YHG=1682>Denny, " XBD=661 XHG=506 YBD=1713 YHG=1682>Robson " XBD=768 XHG=691 YBD=1713 YHG=1682>and " XBD=940 XHG=800 YBD=1714 YHG=1682>Irwin " XBD=1009 XHG=968 YBD=1713 YHG=1683>in " XBD=1204 XHG=1040 YBD=1714 YHG=1682>Canada. " XBD=1298 XHG=1224 YBD=1714 YHG=1683>dis-" XBD=273 XHG=114 YBD=1758 YHG=1726>covered " XBD=378 XHG=307 YBD=1758 YHG=1725>the " XBD=723 XHG=419 YBD=1767 YHG=1726>quartz-coating " XBD=943 XHG=760 YBD=1767 YHG=1728>property " XBD=1022 XHG=983 YBD=1757 YHG=1727>of " XBD=1297 XHG=1060 YBD=1762 YHG=1726>aluminium," XBD=235 XHG=112 YBD=1801 YHG=1770>which " XBD=412 XHG=261 YBD=1802 YHG=1769>enables " XBD=598 XHG=437 YBD=1800 YHG=1769>animals " XBD=821 XHG=624 YBD=1810 YHG=1769>subjected " XBD=887 XHG=846 YBD=1801 YHG=1772>to " XBD=1157 XHG=916 YBD=1810 YHG=1771>quartz-dust " XBD=1224 XHG=1183 YBD=1802 YHG=1772>to " XBD=1298 XHG=1250 YBD=1802 YHG=1771>be" XBD=310 XHG=112 YBD=1854 YHG=1814>protected " XBD=377 XHG=323 YBD=1854 YHG=1814>by " XBD=456 XHG=389 YBD=1844 YHG=1813>the " XBD=681 XHG=469 YBD=1844 YHG=1813>inhalation " XBD=735 XHG=695 YBD=1845 YHG=1814>of " XBD=948 XHG=747 YBD=1854 YHG=1814>powdered " XBD=1186 XHG=962 YBD=1846 YHG=1814>aluminium " XBD=1298 XHG=1199 YBD=1851 YHG=1815>from" XBD=179 XHG=112 YBD=1889 YHG=1858>the " XBD=467 XHG=201 YBD=1898 YHG=1858>development " XBD=529 XHG=489 YBD=1888 YHG=1857>of " XBD=823 XHG=551 YBD=1897 YHG=1857>experimental " XBD=1011 XHG=845 YBD=1894 YHG=1857>silicosis; " XBD=1102 XHG=1034 YBD=1890 YHG=1858>the " XBD=1314 XHG=1125 YBD=1898 YHG=1854>question" XBD=219 XHG=110 YBD=1938 YHG=1911>arose " XBD=427 XHG=256 YBD=1933 YHG=1901>whether " XBD=543 XHG=464 YBD=1932 YHG=1901>this " XBD=843 XHG=579 YBD=1941 YHG=1901>prophylactic " XBD=1062 XHG=881 YBD=1942 YHG=1903>property " XBD=1213 XHG=1102 YBD=1934 YHG=1902>could " XBD=1299 XHG=1251 YBD=1934 YHG=1902>be" XBD=266 XHG=114 YBD=1986 YHG=1945>applied " XBD=322 XHG=281 YBD=1977 YHG=1939>to " XBD=441 XHG=340 YBD=1976 YHG=1955>man. " XBD=563 XHG=482 YBD=1976 YHG=1945>The " XBD=789 XHG=577 YBD=1985 YHG=1945>risingttade " XBD=846 XHG=805 YBD=1976 YHG=1945>of " XBD=1015 XHG=861 YBD=1977 YHG=1945>silicosis " XBD=1106 XHG=1028 YBD=1977 YHG=1946>and " XBD=1298 XHG=1117 YBD=1986 YHG=1953>pneumo-" XBD=274 XHG=114 YBD=2021 YHG=1989>coniosis " XBD=329 XHG=298 YBD=2020 YHG=1989>is " XBD=393 XHG=353 YBD=2020 YHG=1989>in " XBD=483 XHG=417 YBD=2020 YHG=1989>the " XBD=653 XHG=507 YBD=2029 YHG=1989>mining " XBD=890 XHG=675 YBD=2026 YHG=1989>industries, " XBD=1039 XHG=916 YBD=2021 YHG=1989>where " XBD=1130 XHG=1062 YBD=2022 YHG=1990>the " XBD=1299 XHG=1155 YBD=2021 YHG=1990>disease" XBD=144 XHG=113 YBD=2064 YHG=2034>is " XBD=207 XHG=168 YBD=2064 YHG=2033>of " XBD=528 XHG=229 YBD=2073 YHG=2032>comparatively " XBD=641 XHG=550 YBD=2064 YHG=2033>slow " XBD=783 XHG=663 YBD=2070 YHG=2035>onset, " XBD=884 XHG=807 YBD=2064 YHG=2033>and " XBD=1023 XHG=906 YBD=2074 YHG=2043>many " XBD=1154 XHG=1044 YBD=2073 YHG=2043>years " XBD=1299 XHG=1177 YBD=2074 YHG=2034>might" XBD=160 XHG=77 YBD=2119 YHG=2078>be " XBD=354 XHG=180 YBD=2118 YHG=2077>required " XBD=416 XHG=374 YBD=2109 YHG=2078>to " XBD=570 XHG=437 YBD=2108 YHG=2076>obtain " XBD=700 XHG=589 YBD=2117 YHG=2077>proof " XBD=760 XHG=721 YBD=2107 YHG=2077>of " XBD=1001 XHG=779 YBD=2116 YHG=2077>preventive " XBD=1187 XHG=1022 YBD=2117 YHG=2078>efficacy. " XBD=1298 XHG=1240 YBD=2109 YHG=2078>On" XBD=180 XHG=113 YBD=2152 YHG=2122>the " XBD=316 XHG=207 YBD=2152 YHG=2121>other " XBD=457 XHG=341 YBD=2158 YHG=2121>hand, " XBD=625 XHG=485 YBD=2161 YHG=2121>Denny " XBD=729 XHG=651 YBD=2152 YHG=2120>and " XBD=812 XHG=753 YBD=2152 YHG=2120>his " XBD=1047 XHG=841 YBD=2162 YHG=2121>colleagues " XBD=1240 XHG=1074 YBD=2161 YHG=2121>thought " XBD=1298 XHG=1266 YBD=2153 YHG=2121>it" XBD=375 XHG=113 YBD=2205 YHG=2164>theoretically " XBD=561 XHG=397 YBD=2205 YHG=2165>possible " XBD=671 XHG=583 YBD=2196 YHG=2165>that " XBD=924 XHG=694 YBD=2196 YHG=2164>established " XBD=1049 XHG=947 YBD=2196 YHG=2168>cases of " XBD=1299 XHG=1144 YBD=2197 YHG=2165>silicosis" XBD=235 XHG=114 YBD=2249 YHG=2209>might " XBD=388 XHG=261 YBD=2240 YHG=2209>derive " XBD=553 XHG=411 YBD=2240 YHG=2208>benefit " XBD=675 XHG=575 YBD=2240 YHG=2209>from " XBD=923 XHG=699 YBD=2240 YHG=2208>aluminium " XBD=1188 XHG=946 YBD=2240 YHG=2202>inhalations. " XBD=1298 XHG=1239 YBD=2240 YHG=2209>No" XBD=318 XHG=113 YBD=2285 YHG=2253>resolution " XBD=382 XHG=343 YBD=2284 YHG=2253>of " XBD=472 XHG=406 YBD=2284 YHG=2253>the " XBD=655 XHG=496 YBD=2285 YHG=2252>silicotic " XBD=816 XHG=678 YBD=2284 YHG=2252>nodule " XBD=883 XHG=842 YBD=2284 YHG=2262>or " XBD=947 XHG=908 YBD=2283 YHG=2253>of " XBD=1128 XHG=971 YBD=2284 YHG=2252>silicotic " XBD=1299 XHG=1152 YBD=2284 YHG=2252>fibrosis" XBD=294 XHG=114 YBD=2338 YHG=2293>could be " XBD=511 XHG=316 YBD=2337 YHG=2297>expected, " XBD=605 XHG=534 YBD=2328 YHG=2297>but |>" XBD=911 XHG=626 YBD=2336 YHG=2296>inflammatory " XBD=1151 XHG=931 YBD=2337 YHG=2296>thickening " XBD=1213 XHG=1173 YBD=2327 YHG=2297>of " XBD=1300 XHG=1233 YBD=2328 YHG=2296>the" XBD=280 XHG=115 YBD=2372 YHG=2332>alveolar " XBD=406 XHG=301 YBD=2372 YHG=2341>walls " XBD=552 XHG=429 YBD=2381 YHG=2340>might " XBD=631 XHG=582 YBD=2371 YHG=2340>be " XBD=822 XHG=653 YBD=2372 YHG=2340>lessened " XBD=922 XHG=845 YBD=2370 YHG=2339>and " XBD=1140 XHG=953 YBD=2372 YHG=2339>available " XBD=1299 XHG=1166 YBD=2380 YHG=2342>quartz" XBD=289 XHG=114 YBD=2424 YHG=2385>particles " XBD=571 XHG=323 YBD=2421 YHG=2384>inactivated, " XBD=683 XHG=606 YBD=2415 YHG=2384>and " XBD=757 XHG=717 YBD=2415 YHG=2384>in " XBD=868 XHG=790 YBD=2415 YHG=2383>this " XBD=987 XHG=900 YBD=2424 YHG=2393>way " XBD=1125 XHG=1021 YBD=2415 YHG=2393>some " XBD=1200 XHG=1159 YBD=2415 YHG=2384>of " XBD=1327 XHG=1232 YBD=2415 YHG=2384>the" XBD=342 XHG=113 YBD=2469 YHG=2429>respiratory " XBD=589 XHG=377 YBD=2469 YHG=2430>symptoms " XBD=745 XHG=624 YBD=2469 YHG=2428>might " XBD=828 XHG=780 YBD=2459 YHG=2428>be " XBD=1075 XHG=862 YBD=2459 YHG=2427>alleviated. " XBD=1190 XHG=1130 YBD=2458 YHG=2427>On " XBD=1299 XHG=1221 YBD=2459 YHG=2428>this" XBD=347 XHG=113 YBD=2513 YHG=2472>hypothesis, " XBD=439 XHG=361 YBD=2504 YHG=2473>and " XBD=598 XHG=454 YBD=2513 YHG=2473>having " XBD=784 XHG=615 YBD=2504 YHG=2472>satisfied " XBD=1028 XHG=801 YBD=2503 YHG=2471>themselves " XBD=1135 XHG=1046 YBD=2503 YHG=2471>that " XBD=1296 XHG=1152 YBD=2503 YHG=2471>inhala-" XBD=195 XHG=113 YBD=2547 YHG=2516>tion " XBD=259 XHG=219 YBD=2547 YHG=2517>of " XBD=509 XHG=287 YBD=2547 YHG=2515>aluminium " XBD=630 XHG=539 YBD=2548 YHG=2525>over " XBD=740 XHG=652 YBD=2556 YHG=2516>long " XBD=918 XHG=767 YBD=2555 YHG=2515>periods " XBD=1018 XHG=939 YBD=2547 YHG=2525>was " XBD=1227 XHG=1044 YBD=2546 YHG=2514>harmless " XBD=1298 XHG=1256 YBD=2547 YHG=2517>to" XBD=257 XHG=113 YBD=2590 YHG=2560>human " XBD=418 XHG=276 YBD=2600 YHG=2560>beings, " XBD=610 XHG=438 YBD=2591 YHG=2559>Crombie " XBD=707 XHG=630 YBD=2590 YHG=2559>and |>" XBD=879 XHG=728 YBD=2591 YHG=2558>others treated " XBD=1114 XHG=1066 YBD=2589 YHG=2560>34 " XBD=1297 XHG=1139 YBD=2590 YHG=2557>Ontario" XBD=366 XHG=112 YBD=2644 YHG=2603>gold-miners, " XBD=484 XHG=399 YBD=2635 YHG=2603>who " XBD=595 XHG=516 YBD=2635 YHG=2603>had " XBD=933 XHG=627 YBD=2644 YHG=2603>uncomplicated " XBD=1120 XHG=964 YBD=2634 YHG=2602>silicosis " XBD=1299 XHG=1152 YBD=2634 YHG=2611>accom-" XBD=253 XHG=114 YBD=2687 YHG=2647>panied " XBD=320 XHG=267 YBD=2687 YHG=2647>by " XBD=529 XHG=335 YBD=2688 YHG=2647>disability " XBD=712 XHG=553 YBD=2687 YHG=2647>(mainly " XBD=941 XHG=727 YBD=2688 YHG=2648>dyspnoea), " XBD=1050 XHG=955 YBD=2679 YHG=2646>with " XBD=1299 XHG=1068 YBD=2678 YHG=2646>inhalations" XBD=156 XHG=117 YBD=2721 YHG=2691>of " XBD=330 XHG=189 YBD=2729 YHG=2691>freshly " XBD=492 XHG=364 YBD=2722 YHG=2691>milled " XBD=750 XHG=525 YBD=2722 YHG=2691>aluminium " XBD=937 XHG=783 YBD=2731 YHG=2691>powder " XBD=1009 XHG=970 YBD=2721 YHG=2691>of " XBD=1115 XHG=1040 YBD=2721 YHG=2690>less " XBD=1243 XHG=1147 YBD=2721 YHG=2689>than " XBD=1300 XHG=1278 YBD=2721 YHG=2692>5" XBD=275 XHG=115 YBD=2765 YHG=2734>microns " XBD=381 XHG=296 YBD=2765 YHG=2734>size. " XBD=510 XHG=432 YBD=2765 YHG=2734>The " XBD=738 XHG=531 YBD=2766 YHG=2736>treatment " XBD=836 XHG=757 YBD=2766 YHG=2744>was " XBD=967 XHG=854 YBD=2775 YHG=2735>given " XBD=1045 XHG=985 YBD=2765 YHG=2734>for " XBD=1184 XHG=1064 YBD=2765 YHG=2734>about " XBD=1299 XHG=1206 YBD=2764 YHG=2734>6-12" XBD=280 XHG=115 YBD=2814 YHG=2777>months, " XBD=390 XHG=313 YBD=2808 YHG=2778>and " XBD=444 XHG=420 YBD=2808 YHG=2787>a " XBD=566 XHG=475 YBD=2809 YHG=2779>note " XBD=674 XHG=596 YBD=2809 YHG=2787>was " XBD=799 XHG=705 YBD=2817 YHG=2778>kept " XBD=871 XHG=831 YBD=2809 YHG=2778>of " XBD=967 XHG=901 YBD=2809 YHG=2778>the " XBD=1119 XHG=999 YBD=2808 YHG=2778>men’s " XBD=1301 XHG=1150 YBD=2817 YHG=2777>general" XBD=320 XHG=115 YBD=2857 YHG=2821>condition, " XBD=566 XHG=341 YBD=2861 YHG=2822>symptoms, " XBD=678 XHG=585 YBD=2862 YHG=2821>lung " XBD=848 XHG=695 YBD=2853 YHG=2821>volume " XBD=945 XHG=867 YBD=2853 YHG=2822>and " XBD=1013 XHG=962 YBD=2852 YHG=2821>its " XBD=1299 XHG=1032 YBD=2858 YHG=2820>subdivisions," XBD=191 XHG=115 YBD=2896 YHG=2865>and " XBD=239 XHG=201 YBD=2895 YHG=2865>of " XBD=545 XHG=250 YBD=2897 YHG=2867>measurements " XBD=594 XHG=556 YBD=2896 YHG=2865>of " XBD=831 XHG=603 YBD=2905 YHG=2865>pulmonary " XBD=1066 XHG=840 YBD=2900 YHG=2865>ventilation " XBD=1116 XHG=1075 YBD=2896 YHG=2865>in " XBD=1300 XHG=1124 YBD=2906 YHG=2874>response" XBD=156 XHG=115 YBD=2940 YHG=2912>to " XBD=367 XHG=183 YBD=2941 YHG=2909>standard " XBD=566 XHG=392 YBD=2940 YHG=2909>exercise. " XBD=696 XHG=617 YBD=2940 YHG=2909>The " XBD=810 XHG=723 YBD=2940 YHG=2918>men " XBD=1040 XHG=835 YBD=2941 YHG=2909>continued " XBD=1106 XHG=1063 YBD=2940 YHG=2911>to " XBD=1236 XHG=1131 YBD=2940 YHG=2909>work " XBD=1301 XHG=1260 YBD=2940 YHG=2909>in" XBD=218 XHG=117 YBD=2984 YHG=2953>silica " XBD=345 XHG=257 YBD=2983 YHG=2953>dust " XBD=518 XHG=384 YBD=2992 YHG=2952>during " XBD=776 XHG=556 YBD=2994 YHG=2954>treatment. " XBD=1086 XHG=828 YBD=2993 YHG=2953>Subjectively " XBD=1223 XHG=1124 YBD=2984 YHG=2955>most " XBD=1302 XHG=1262 YBD=2984 YHG=2953>of" XBD=184 XHG=118 YBD=3027 YHG=2997>the " XBD=307 XHG=220 YBD=3027 YHG=3006>men " XBD=411 XHG=342 YBD=3027 YHG=2996>felt " XBD=600 XHG=446 YBD=3027 YHG=2995>benefit. |>" XBD=858 XHG=652 YBD=3036 YHG=2996>Clinically, " XBD=998 XHG=890 YBD=3028 YHG=2997>there " XBD=1111 XHG=1032 YBD=3028 YHG=3006>was " XBD=1301 XHG=1147 YBD=3027 YHG=2993>definite" XBD=395 XHG=118 YBD=3079 YHG=3041>improvement " XBD=444 XHG=405 YBD=3070 YHG=3039>in " XBD=478 XHG=459 YBD=3070 YHG=3041>7 " XBD=568 XHG=491 YBD=3070 YHG=3039>and " XBD=688 XHG=575 YBD=3078 YHG=3039>slight " XBD=980 XHG=700 YBD=3079 YHG=3039>improvement " XBD=1030 XHG=990 YBD=3071 YHG=3040>in " XBD=1102 XHG=1045 YBD=3077 YHG=3040>12, " XBD=1300 XHG=1115 YBD=3080 YHG=3040>apparent" XBD=255 XHG=120 YBD=3123 YHG=3083>chiefly " XBD=315 XHG=276 YBD=3114 YHG=3083>in " XBD=522 XHG=336 YBD=3123 YHG=3082>lessening " XBD=583 XHG=544 YBD=3112 YHG=3082>of " XBD=798 XHG=605 YBD=3114 YHG=3082>shortness " XBD=854 XHG=815 YBD=3113 YHG=3083>of " XBD=1012 XHG=875 YBD=3114 YHG=3083>breath " XBD=1084 XHG=1035 YBD=3114 YHG=3094>on " XBD=1300 XHG=1107 YBD=3120 YHG=3083>exertion;|>" XBD=165 XHG=124 YBD=3157 YHG=3129>15 " XBD=287 XHG=184 YBD=3158 YHG=3136>cases " XBD=456 XHG=306 YBD=3157 YHG=3126>showed " XBD=522 XHG=474 YBD=3157 YHG=3136>no " XBD=833 XHG=542 YBD=3165 YHG=3126>improvement. " XBD=957 XHG=878 YBD=3157 YHG=3126>The " XBD=1188 XHG=975 YBD=3158 YHG=3127>functional " XBD=1301 XHG=1205 YBD=3158 YHG=3128>tests" XBD=156 XHG=118 YBD=3200 YHG=3170>of " XBD=366 XHG=173 YBD=3209 YHG=3170>disability " XBD=517 XHG=383 YBD=3209 YHG=3169>during " XBD=609 XHG=533 YBD=3200 YHG=3169>and " XBD=732 XHG=633 YBD=3200 YHG=3169>after " XBD=954 XHG=746 YBD=3200 YHG=3171>treatment " XBD=1302 XHG=977 YBD=3202 YHG=3170>showed. definite" XBD=393 XHG=117 YBD=3252 YHG=3214>improvement " XBD=456 XHG=417 YBD=3243 YHG=3213>in " XBD=513 XHG=481 YBD=3249 YHG=3215>5, " XBD=653 XHG=540 YBD=3253 YHG=3213>slight " XBD=719 XHG=677 YBD=3243 YHG=3222>or " XBD=1002 XHG=743 YBD=3252 YHG=3213>questionable " XBD=1302 XHG=1024 YBD=3254 YHG=3214>improvement" XBD=155 XHG=117 YBD=3286 YHG=3257>in " XBD=210 XHG=178 YBD=3292 YHG=3258>7, " XBD=279 XHG=229 YBD=3287 YHG=3264>no " XBD=441 XHG=299 YBD=3296 YHG=3257>change " XBD=498 XHG=459 YBD=3287 YHG=3257>in " XBD=576 XHG=517 YBD=3287 YHG=3257>22. " XBD=660 XHG=626 YBD=3286 YHG=3256>A " XBD=798 XHG=679 YBD=3296 YHG=3266>group " XBD=857 XHG=817 YBD=3286 YHG=3257>of " XBD=897 XHG=877 YBD=3287 YHG=3258>9 " XBD=1120 XHG=916 YBD=3288 YHG=3258>untreated " XBD=1302 XHG=1138 YBD=3289 YHG=3257>controls

1. Denny, J. J., Robson, W. D. and Irwin, D. A. Canad. med. Ass. J.1937, 37, 1 ; 1939, 40, 213.

2. Crombie, D. W., Blaisdell, J. L. and MacPherson, G. Ibid, 1944,50, 318.

" XBD=1530 XHG=1364 YBD=212 YHG=181>showed - " XBD=1756 XHG=1548 YBD=221 YHG=182>worsening " XBD=1826 XHG=1787 YBD=211 YHG=181>in " XBD=1913 XHG=1859 YBD=212 YHG=182>6. - " XBD=2115 XHG=1944 YBD=213 YHG=181>Crombie " XBD=2222 XHG=2146 YBD=212 YHG=181>and " XBD=2310 XHG=2252 YBD=212 YHG=181>his " XBD=2548 XHG=2330 YBD=222 YHG=182>colleagues" XBD=1494 XHG=1362 YBD=264 YHG=227>accept " XBD=1634 XHG=1527 YBD=256 YHG=225>these " XBD=1804 XHG=1667 YBD=256 YHG=225>results " XBD=1878 XHG=1837 YBD=255 YHG=234>as " XBD=2115 XHG=1912 YBD=265 YHG=224>justifying " XBD=2227 XHG=2147 YBD=256 YHG=225>the’ " XBD=2342 XHG=2246 YBD=257 YHG=225>view " XBD=2461 XHG=2375 YBD=256 YHG=225>that " XBD=2546 XHG=2495 YBD=256 YHG=226>all" XBD=1549 XHG=1362 YBD=304 YHG=269>silicotics, " XBD=1739 XHG=1574 YBD=299 YHG=268>without " XBD=2022 XHG=1761 YBD=304 YHG=268>tuberculosis, " XBD=2183 XHG=2048 YBD=299 YHG=268>should " XBD=2255 XHG=2207 YBD=300 YHG=269>be " XBD=2427 XHG=2279 YBD=300 YHG=269>treated " XBD=2544 XHG=2451 YBD=300 YHG=269>with" XBD=1584 XHG=1361 YBD=343 YHG=312>aluminium " XBD=1703 XHG=1609 YBD=343 YHG=312>with " XBD=1794 XHG=1728 YBD=343 YHG=312>the " XBD=2062 XHG=1819 YBD=352 YHG=312>expectation " XBD=2173 XHG=2087 YBD=343 YHG=312>that " XBD=2279 XHG=2198 YBD=343 YHG=312>half " XBD=2379 XHG=2302 YBD=344 YHG=312>will " XBD=2450 XHG=2403 YBD=343 YHG=313>be " XBD=2543 XHG=2475 YBD=343 YHG=313>im-" XBD=1516 XHG=1360 YBD=395 YHG=356>proved, " XBD=1618 XHG=1542 YBD=387 YHG=356>and " XBD=1727 XHG=1640 YBD=387 YHG=356>that " XBD=1817 XHG=1750 YBD=387 YHG=356>the " XBD=1997 XHG=1840 YBD=388 YHG=357>silicotic " XBD=2168 XHG=2019 YBD=395 YHG=364>process " XBD=2266 XHG=2190 YBD=387 YHG=356>will " XBD=2474 XHG=2286 YBD=396 YHG=356>probably " XBD=2544 XHG=2496 YBD=388 YHG=357>be" XBD=1528 XHG=1361 YBD=430 YHG=400>arrested " XBD=1577 XHG=1538 YBD=430 YHG=400>in " XBD=1681 XHG=1589 YBD=430 YHG=399>such " XBD=1809 XHG=1694 YBD=431 YHG=409>cases. " XBD=1949 XHG=1860 YBD=431 YHG=400>This " XBD=2088 XHG=1959 YBD=431 YHG=399>rather " XBD=2306 XHG=2100 YBD=439 YHG=399>optimistic " XBD=2542 XHG=2319 YBD=439 YHG=399>interpreta-" XBD=1443 XHG=1361 YBD=474 YHG=443>tion " XBD=1498 XHG=1459 YBD=474 YHG=443>of " XBD=1536 XHG=1513 YBD=473 YHG=453>a " XBD=1660 XHG=1551 YBD=474 YHG=443>small " XBD=1834 XHG=1674 YBD=474 YHG=444>number " XBD=1888 XHG=1849 YBD=474 YHG=444>of " XBD=2064 XHG=1901 YBD=483 YHG=443>positive " XBD=2226 XHG=2079 YBD=479 YHG=442>results, " XBD=2334 XHG=2241 YBD=473 YHG=443>with " XBD=2370 XHG=2350 YBD=474 YHG=453>a " XBD=2544 XHG=2387 YBD=483 YHG=444>paucity" XBD=1401 XHG=1361 YBD=517 YHG=487>of " XBD=1607 XHG=1430 YBD=522 YHG=487>controls, " XBD=1728 XHG=1638 YBD=526 YHG=496>may " XBD=1804 XHG=1757 YBD=518 YHG=487>be " XBD=1892 XHG=1835 YBD=518 YHG=489>set " XBD=2070 XHG=1922 YBD=526 YHG=487>against " XBD=2124 XHG=2100 YBD=516 YHG=496>a " XBD=2237 XHG=2154 YBD=517 YHG=495>case " XBD=2461 XHG=2267 YBD=518 YHG=486>described " XBD=2543 XHG=2491 YBD=526 YHG=487>by" XBD=1531 XHG=1362 YBD=562 YHG=527>Gardner " XBD=1625 XHG=1549 YBD=561 YHG=531>and " XBD=1819 XHG=1642 YBD=570 YHG=530>Wright.3 " XBD=1899 XHG=1866 YBD=561 YHG=529>A " XBD=2030 XHG=1911 YBD=560 YHG=530>miner " XBD=2191 XHG=2042 YBD=560 YHG=530>treated " XBD=2299 XHG=2205 YBD=561 YHG=530>with " XBD=2544 XHG=2314 YBD=561 YHG=529>inhalations" XBD=1401 XHG=1361 YBD=605 YHG=574>of " XBD=1621 XHG=1420 YBD=614 YHG=574>powdered " XBD=1864 XHG=1642 YBD=604 YHG=573>aluminium " XBD=2095 XHG=1884 YBD=613 YHG=573>hydroxide " XBD=2266 XHG=2115 YBD=605 YHG=573>showed " XBD=2335 XHG=2285 YBD=604 YHG=582>no " XBD=2543 XHG=2347 YBD=613 YHG=573>-improve-" XBD=1467 XHG=1361 YBD=648 YHG=619>ment " XBD=1559 XHG=1496 YBD=648 YHG=627>on " XBD=1786 XHG=1574 YBD=648 YHG=617>functional " XBD=1910 XHG=1814 YBD=648 YHG=618>tests " XBD=2085 XHG=1939 YBD=657 YHG=616>though " XBD=2161 XHG=2112 YBD=648 YHG=617>he " XBD=2266 XHG=2188 YBD=648 YHG=626>was " XBD=2543 XHG=2296 YBD=649 YHG=617>enthusiastic" XBD=1480 XHG=1361 YBD=692 YHG=661>about " XBD=1571 XHG=1511 YBD=692 YHG=661>his " XBD=1801 XHG=1603 YBD=700 YHG=661>improved " XBD=2044 XHG=1833 YBD=701 YHG=660>breathing. " XBD=2134 XHG=2096 YBD=691 YHG=661>It " XBD=2291 XHG=2165 YBD=692 YHG=660>would " XBD=2423 XHG=2323 YBD=692 YHG=670>seem " XBD=2542 XHG=2454 YBD=692 YHG=661>that" XBD=1468 XHG=1358 YBD=736 YHG=705>while " XBD=1766 XHG=1512 YBD=736 YHG=705>aluminium - " XBD=1987 XHG=1780 YBD=736 YHG=706>treatment " XBD=2072 XHG=2033 YBD=735 YHG=704>of " XBD=2343 XHG=2115 YBD=735 YHG=704>established " XBD=2542 XHG=2388 YBD=736 YHG=704>silicosis" XBD=1532 XHG=1360 YBD=780 YHG=748>deserves " XBD=1587 XHG=1563 YBD=779 YHG=758>a " XBD=1765 XHG=1617 YBD=780 YHG=748>further " XBD=1896 XHG=1796 YBD=785 YHG=748>trial, " XBD=1990 XHG=1924 YBD=779 YHG=748>the " XBD=2237 XHG=2022 YBD=789 YHG=749>suggestion " XBD=2383 XHG=2260 YBD=779 YHG=748>factor " XBD=2542 XHG=2407 YBD=779 YHG=747>should" XBD=1407 XHG=1359 YBD=823 YHG=792>be " XBD=1600 XHG=1432 YBD=824 YHG=792>assessed " XBD=1683 XHG=1629 YBD=832 YHG=792>by " XBD=1814 XHG=1712 YBD=822 YHG=801>more " XBD=2033 XHG=1844 YBD=831 YHG=783>adequate " XBD=2239 XHG=2061 YBD=823 YHG=792>controls. " XBD=2377 XHG=2300 YBD=823 YHG=792>The " XBD=2473 XHG=2407 YBD=823 YHG=801>use " XBD=2543 XHG=2503 YBD=822 YHG=792>of" XBD=1583 XHG=1359 YBD=866 YHG=836>aluminium " XBD=1638 XHG=1599 YBD=866 YHG=836>in " XBD=1878 XHG=1653 YBD=876 YHG=835>prevention " XBD=2014 XHG=1894 YBD=867 YHG=844>seems " XBD=2190 XHG=2026 YBD=867 YHG=835>rational " XBD=2300 XHG=2201 YBD=866 YHG=836>from " XBD=2381 XHG=2316 YBD=867 YHG=835>the " XBD=2541 XHG=2398 YBD=874 YHG=835>experi-" XBD=1504 XHG=1359 YBD=910 YHG=879>mental " XBD=1644 XHG=1528 YBD=916 YHG=879>work, " XBD=1744 XHG=1674 YBD=910 YHG=879>but " XBD=1878 XHG=1771 YBD=910 YHG=878>there " XBD=1936 XHG=1905 YBD=909 YHG=879>is " XBD=1987 XHG=1964 YBD=909 YHG=888>a " XBD=2167 XHG=2014 YBD=909 YHG=879>natural " XBD=2473 XHG=2194 YBD=910 YHG=879>disinclination " XBD=2541 XHG=2500 YBD=910 YHG=880>to" XBD=1434 XHG=1359 YBD=954 YHG=923>add " XBD=1556 XHG=1452 YBD=954 YHG=932>more " XBD=1662 XHG=1573 YBD=954 YHG=923>dust " XBD=1721 XHG=1678 YBD=953 YHG=924>to " XBD=1761 XHG=1738 YBD=953 YHG=932>a " XBD=1868 XHG=1778 YBD=962 YHG=922>lung " XBD=2040 XHG=1885 YBD=962 YHG=922>already " XBD=2243 XHG=2055 YBD=962 YHG=922>receiving " XBD=2362 XHG=2259 YBD=953 YHG=932>more " XBD=2474 XHG=2379 YBD=953 YHG=922>than " XBD=2541 XHG=2491 YBD=953 YHG=922>its" XBD=1490 XHG=1360 YBD=1006 YHG=968>quota. " XBD=1806 XHG=1541 YBD=997 YHG=966>Furthermore " XBD=1954 XHG=1848 YBD=997 YHG=966>there " XBD=2087 XHG=1997 YBD=1005 YHG=976>may " XBD=2175 XHG=2128 YBD=997 YHG=966>be " XBD=2301 XHG=2214 YBD=1002 YHG=966>the. " XBD=2460 XHG=2324 YBD=1006 YHG=966>danger " XBD=2545 XHG=2505 YBD=997 YHG=967>of" XBD=1513 XHG=1359 YBD=1050 YHG=1010>causing " XBD=1755 XHG=1539 YBD=1050 YHG=1010>slackening " XBD=1817 XHG=1778 YBD=1041 YHG=1010>in " XBD=1909 XHG=1843 YBD=1041 YHG=1010>the " XBD=2199 XHG=1934 YBD=1050 YHG=1010>development " XBD=2264 XHG=2224 YBD=1040 YHG=1010>of " XBD=2475 XHG=2288 YBD=1042 YHG=1019>measures " XBD=2541 XHG=2500 YBD=1041 YHG=1012>to" XBD=1495 XHG=1357 YBD=1084 YHG=1053>reduce " XBD=1577 XHG=1510 YBD=1084 YHG=1054>the " XBD=1921 XHG=1595 YBD=1100 YHG=1053>silicosis-causing " XBD=2026 XHG=1938 YBD=1085 YHG=1054>dust " XBD=2085 XHG=2043 YBD=1085 YHG=1056>at " XBD=2153 XHG=2102 YBD=1085 YHG=1054>its " XBD=2312 XHG=2170 YBD=1085 YHG=1063>source. " XBD=2400 XHG=2363 YBD=1084 YHG=1054>It " XBD=2543 XHG=2417 YBD=1085 YHG=1054>would" XBD=1406 XHG=1358 YBD=1128 YHG=1097>be " XBD=1687 XHG=1439 YBD=1128 YHG=1097>unfortunate " XBD=1748 XHG=1718 YBD=1128 YHG=1098>if " XBD=2004 XHG=1780 YBD=1128 YHG=1093>aluminium " XBD=2247 XHG=2035 YBD=1129 YHG=1097>inhalation " XBD=2373 XHG=2277 YBD=1129 YHG=1107>were " XBD=2543 XHG=2405 YBD=1137 YHG=1097>widely" XBD=1582 XHG=1357 YBD=1172 YHG=1141>introduced " XBD=1647 XHG=1607 YBD=1171 YHG=1141>in " XBD=1739 XHG=1673 YBD=1172 YHG=1141>the " XBD=2008 XHG=1764 YBD=1181 YHG=1141>coal-mining " XBD=2208 XHG=2032 YBD=1180 YHG=1141>industry " XBD=2372 XHG=2236 YBD=1180 YHG=1141>(where " XBD=2438 XHG=2398 YBD=1171 YHG=1141>in " XBD=2540 XHG=2463 YBD=1181 YHG=1150>any" XBD=1443 XHG=1359 YBD=1216 YHG=1194>case " XBD=1537 XHG=1471 YBD=1215 YHG=1184>the " XBD=1724 XHG=1564 YBD=1215 YHG=1184>relation " XBD=1791 XHG=1751 YBD=1215 YHG=1185>of " XBD=2142 XHG=1816 YBD=1224 YHG=1185>pneumoconiosis " XBD=2215 XHG=2174 YBD=1215 YHG=1187>to " XBD=2378 XHG=2246 YBD=1224 YHG=1186>quartz " XBD=2437 XHG=2406 YBD=1215 YHG=1184>is " XBD=2543 XHG=2466 YBD=1215 YHG=1184>still" XBD=1530 XHG=1359 YBD=1268 YHG=1228>obscure) " XBD=1586 XHG=1546 YBD=1259 YHG=1229>at " XBD=1623 XHG=1601 YBD=1258 YHG=1237>a " XBD=1731 XHG=1636 YBD=1259 YHG=1228>time " XBD=1851 XHG=1741 YBD=1259 YHG=1228>when " XBD=1947 XHG=1864 YBD=1260 YHG=1238>new " XBD=2134 XHG=1960 YBD=1260 YHG=1228>methods " XBD=2187 XHG=2148 YBD=1259 YHG=1229>of " XBD=2289 XHG=2201 YBD=1259 YHG=1228>dust " XBD=2542 XHG=2303 YBD=1270 YHG=1227>suppression" XBD=1412 XHG=1358 YBD=1312 YHG=1272>by " XBD=1496 XHG=1430 YBD=1303 YHG=1272>the " XBD=1582 XHG=1516 YBD=1303 YHG=1282>use " XBD=1641 XHG=1602 YBD=1303 YHG=1272>of water " XBD=1886 XHG=1790 YBD=1303 YHG=1271>4 are " XBD=2017 XHG=1906 YBD=1312 YHG=1272>being " XBD=2284 XHG=2036 YBD=1313 YHG=1272>increasingly " XBD=2407 XHG=2303 YBD=1303 YHG=1272>used.

CHEMOTHERAPY IN TUBERCULOSIS

" XBD=1494 XHG=1408 YBD=1430 YHG=1399>THE " XBD=1653 XHG=1521 YBD=1432 YHG=1399>search " XBD=1737 XHG=1678 YBD=1430 YHG=1399>for " XBD=1787 XHG=1765 YBD=1430 YHG=1409>a " XBD=1911 XHG=1815 YBD=1440 YHG=1399>drug " XBD=2040 XHG=1937 YBD=1430 YHG=1408>more " XBD=2185 XHG=2066 YBD=1431 YHG=1399>lethal " XBD=2252 XHG=2211 YBD=1430 YHG=1401>to " XBD=2345 XHG=2280 YBD=1431 YHG=1400>the " XBD=2541 XHG=2373 YBD=1431 YHG=1399>tubercle" XBD=1517 XHG=1359 YBD=1475 YHG=1443>bacillus " XBD=1630 XHG=1534 YBD=1474 YHG=1443>than " XBD=1688 XHG=1647 YBD=1474 YHG=1445>to " XBD=1756 XHG=1707 YBD=1474 YHG=1444>its " XBD=1861 XHG=1774 YBD=1475 YHG=1443>host " XBD=1957 XHG=1880 YBD=1475 YHG=1443>still " XBD=2061 XHG=1973 YBD=1483 YHG=1452>goes " XBD=2140 XHG=2080 YBD=1474 YHG=1453>on. " XBD=2289 XHG=2194 YBD=1475 YHG=1443>Rich " XBD=2385 XHG=2308 YBD=1477 YHG=1443>and |>" XBD=2547 XHG=2402 YBD=1474 YHG=1442>Follis " XBD=2547 XHG=2531 YBD=1462 YHG=1442>I>" XBD=1442 XHG=1359 YBD=1519 YHG=1487>first " XBD=1777 XHG=1457 YBD=1520 YHG=1487>called attention " XBD=1829 XHG=1788 YBD=1518 YHG=1489>to " XBD=1910 XHG=1844 YBD=1519 YHG=1488>the " XBD=2132 XHG=1924 YBD=1527 YHG=1487>inhibitory " XBD=2272 XHG=2144 YBD=1519 YHG=1487>action " XBD=2323 XHG=2284 YBD=1519 YHG=1488>of " XBD=2542 XHG=2338 YBD=1527 YHG=1487>sulphanil-" XBD=1486 XHG=1360 YBD=1563 YHG=1531>amide " XBD=1552 XHG=1502 YBD=1562 YHG=1541>on " XBD=1642 XHG=1575 YBD=1562 YHG=1522>the " XBD=1901 XHG=1659 YBD=1563 YHG=1531>tuberculous " XBD=2066 XHG=1917 YBD=1572 YHG=1540>process " XBD=2127 XHG=2088 YBD=1563 YHG=1532>in " XBD=2365 XHG=2144 YBD=1572 YHG=1532>guineapigs |>" XBD=2543 XHG=2386 YBD=1563 YHG=1532>if-and" XBD=1451 XHG=1361 YBD=1615 YHG=1575>only " XBD=1617 XHG=1472 YBD=1607 YHG=1575>if-the " XBD=1848 XHG=1640 YBD=1607 YHG=1577>treatment " XBD=1946 XHG=1869 YBD=1607 YHG=1585>was " XBD=2093 XHG=1969 YBD=1616 YHG=1575>begun " XBD=2427 XHG=2117 YBD=1615 YHG=1576>simultaneously " XBD=2543 XHG=2449 YBD=1607 YHG=1576>with|>" XBD=1427 XHG=1360 YBD=1655 YHG=1620>the " XBD=1640 XHG=1446 YBD=1657 YHG=1617>infection, " XBD=1738 XHG=1662 YBD=1651 YHG=1620>and " XBD=1848 XHG=1758 YBD=1659 YHG=1620>only " XBD=1904 XHG=1867 YBD=1657 YHG=1620>if " XBD=1982 XHG=1916 YBD=1651 YHG=1619>the " XBD=2099 XHG=2004 YBD=1660 YHG=1620>drug " XBD=2194 XHG=2117 YBD=1651 YHG=1630>was " XBD=2542 XHG=2215 YBD=1651 YHG=1620>administered in" XBD=1492 XHG=1359 YBD=1704 YHG=1663>highly |>|>" XBD=1774 XHG=1505 YBD=1704 YHG=1664>toxic dosage. " XBD=1875 XHG=1827 YBD=1695 YHG=1663>Of " XBD=1987 XHG=1889 YBD=1695 YHG=1655>their " XBD=2150 XHG=2003 YBD=1695 YHG=1664>treated " XBD=2335 XHG=2166 YBD=1701 YHG=1664>animals, 60% " XBD=2545 XHG=2458 YBD=1696 YHG=1663>died" XBD=1494 XHG=1360 YBD=1739 YHG=1708>within " XBD=1582 XHG=1515 YBD=1739 YHG=1708>the " XBD=1875 XHG=1603 YBD=1748 YHG=1708>experimental " XBD=2026 XHG=1895 YBD=1747 YHG=1708>period " XBD=2087 XHG=2048 YBD=1739 YHG=1708>of " XBD=2179 XHG=2110 YBD=1739 YHG=1709>5-6 " XBD=2375 XHG=2200 YBD=1740 YHG=1703>weeks. " XBD=2543 XHG=2386 YBD=1747 YHG=1707>Sulpha-" XBD=1524 XHG=1361 YBD=1783 YHG=1752>thiazole " XBD=1610 XHG=1532 YBD=1783 YHG=1761>was " XBD=1740 XHG=1619 YBD=1783 YHG=1752>found " XBD=1802 XHG=1750 YBD=1793 YHG=1752>by " XBD=1947 XHG=1813 YBD=1783 YHG=1751>Ballon " XBD=2034 XHG=1957 YBD=1783 YHG=1752>and Guernon " XBD=2297 XHG=2231 YBD=1783 YHG=1752>6 two " XBD=2412 XHG=2309 YBD=1783 YHG=1755>exert " XBD=2447 XHG=2424 YBD=1782 YHG=1761>a " XBD=2544 XHG=2458 YBD=1791 YHG=1761>pro-" XBD=1534 XHG=1361 YBD=1827 YHG=1796>nounced " XBD=1831 XHG=1548 YBD=1827 YHG=1790>bacteriostatic " XBD=1955 XHG=1845 YBD=1827 YHG=1795>effect " XBD=2022 XHG=1973 YBD=1826 YHG=1805>on " XBD=2203 XHG=2038 YBD=1827 YHG=1796>virulent " XBD=2361 XHG=2218 YBD=1826 YHG=1796>human " XBD=2542 XHG=2374 YBD=1827 YHG=1796>tubercle" XBD=1488 XHG=1361 YBD=1871 YHG=1839>bacilli " XBD=1553 XHG=1503 YBD=1870 YHG=1849>on " XBD=1664 XHG=1569 YBD=1870 YHG=1840>solid " XBD=1816 XHG=1681 YBD=1877 YHG=1840>media, " XBD=1911 XHG=1835 YBD=1870 YHG=1840>and " XBD=1968 XHG=1927 YBD=1870 YHG=1841>to " XBD=2122 XHG=1985 YBD=1871 YHG=1839>inhibit " XBD=2206 XHG=2139 YBD=1871 YHG=1840>the " XBD=2487 XHG=2223 YBD=1879 YHG=1840>development " XBD=2544 XHG=2504 YBD=1871 YHG=1841>of" XBD=1634 XHG=1360 YBD=1923 YHG=1884>experimental " XBD=1906 XHG=1659 YBD=1926 YHG=1883>tuberculosis " XBD=1971 XHG=1932 YBD=1915 YHG=1884>in " XBD=2064 XHG=1999 YBD=1915 YHG=1883>the " XBD=2315 XHG=2090 YBD=1924 YHG=1882>guineapig ; " XBD=2427 XHG=2356 YBD=1914 YHG=1883>but " XBD=2477 XHG=2457 YBD=1914 YHG=1874>7 " XBD=2544 XHG=2505 YBD=1914 YHG=1885>of" XBD=1460 XHG=1361 YBD=1959 YHG=1928>their " XBD=1532 XHG=1486 YBD=1958 YHG=1928>42 " XBD=1706 XHG=1557 YBD=1959 YHG=1928>treated " XBD=1889 XHG=1731 YBD=1958 YHG=1923>animals " XBD=2014 XHG=1916 YBD=1964 YHG=1928>died, " XBD=2109 XHG=2041 YBD=1958 YHG=1929>not " XBD=2174 XHG=2135 YBD=1958 YHG=1928>of " XBD=2446 XHG=2199 YBD=1958 YHG=1927>tuberculosis " XBD=2543 XHG=2472 YBD=1959 YHG=1928>but" XBD=1605 XHG=1360 YBD=2011 YHG=1971>presumably " XBD=1656 XHG=1617 YBD=2002 YHG=1972>of " XBD=1966 XHG=1669 YBD=2011 YHG=1971>sulphathiazole " XBD=2186 XHG=1977 YBD=2012 YHG=1971>poisoning. " XBD=2392 XHG=2238 YBD=2007 YHG=1971>Zucker, " XBD=2545 XHG=2406 YBD=2002 YHG=1971>Pinner|>" XBD=1439 XHG=1362 YBD=2047 YHG=2015>and " XBD=1609 XHG=1455 YBD=2055 YHG=2015>Hyman " XBD=1800 XHG=1623 YBD=2047 YHG=2015>7 treated " XBD=1861 XHG=1819 YBD=2046 YHG=2017>13 " XBD=2042 XHG=1875 YBD=2055 YHG=2015>patients " XBD=2149 XHG=2056 YBD=2046 YHG=2015>with " XBD=2477 XHG=2164 YBD=2055 YHG=2015>sulphanilamide " XBD=2545 XHG=2492 YBD=2057 YHG=2016>by" XBD=1428 XHG=1360 YBD=2093 YHG=2059>the " XBD=1806 XHG=1461 YBD=2098 YHG=2059>intravenous-drip " XBD=2010 XHG=1842 YBD=2095 YHG=2059>method, " XBD=2296 XHG=2046 YBD=2099 YHG=2059>maintaining " XBD=2394 XHG=2328 YBD=2090 YHG=2059>the " XBD=2588 XHG=2429 YBD=2096 YHG=2058>blood I

" XBD=1477 XHG=1361 YBD=2135 YHG=2103>levels " XBD=1672 XHG=1500 YBD=2135 YHG=2103>between " XBD=1749 XHG=1708 YBD=2134 YHG=2105>17 " XBD=1853 XHG=1776 YBD=2134 YHG=2103>and " XBD=1930 XHG=1886 YBD=2134 YHG=2104>32 " XBD=2031 XHG=1957 YBD=2143 YHG=2112>mg. " XBD=2125 XHG=2057 YBD=2143 YHG=2112>per " XBD=2226 XHG=2160 YBD=2135 YHG=2104>100 " XBD=2358 XHG=2253 YBD=2134 YHG=2111>c.cm. " XBD=2444 XHG=2385 YBD=2133 YHG=2103>for " XBD=2544 XHG=2460 YBD=2137 YHG=2102>--five" XBD=1570 XHG=1363 YBD=2178 YHG=2147>successive " XBD=1688 XHG=1594 YBD=2187 YHG=2147>days " XBD=1754 XHG=1713 YBD=2178 YHG=2148>at " XBD=1802 XHG=1779 YBD=2177 YHG=2156>a " XBD=1931 XHG=1825 YBD=2178 YHG=2147>time. " XBD=2054 XHG=1992 YBD=2177 YHG=2146>All " XBD=2175 XHG=2077 YBD=2177 YHG=2146>their " XBD=2366 XHG=2198 YBD=2186 YHG=2147>patients " XBD=2544 XHG=2391 YBD=2177 YHG=2146>showed" XBD=1565 XHG=1360 YBD=2227 YHG=2190>headache, " XBD=1775 XHG=1591 YBD=2230 YHG=2191>cyanosis, " XBD=1944 XHG=1800 YBD=2222 YHG=2190>mental " XBD=2192 XHG=1967 YBD=2231 YHG=2191>depression, " XBD=2416 XHG=2219 YBD=2230 YHG=2191>dyspnoea, " XBD=2545 XHG=2440 YBD=2221 YHG=2190>fever" XBD=1439 XHG=1363 YBD=2266 YHG=2234>and " XBD=1676 XHG=1457 YBD=2274 YHG=2236>temporary " XBD=1788 XHG=1695 YBD=2274 YHG=2235>drop " XBD=1847 XHG=1806 YBD=2265 YHG=2235>in " XBD=2126 XHG=1863 YBD=2275 YHG=2234>haemoglobin, " XBD=2222 XHG=2146 YBD=2265 YHG=2234>and " XBD=2279 XHG=2240 YBD=2264 YHG=2234>in " XBD=2345 XHG=2298 YBD=2264 YHG=2243>no " XBD=2450 XHG=2366 YBD=2265 YHG=2243>case " XBD=2545 XHG=2467 YBD=2265 YHG=2244>was" XBD=1428 XHG=1361 YBD=2310 YHG=2278>the " XBD=1719 XHG=1442 YBD=2318 YHG=2278>improvement " XBD=1774 XHG=1734 YBD=2309 YHG=2278>in " XBD=1887 XHG=1789 YBD=2310 YHG=2273>their " XBD=2148 XHG=1902 YBD=2310 YHG=2278>tuberculosis " XBD=2310 XHG=2162 YBD=2318 YHG=2279>greater " XBD=2419 XHG=2324 YBD=2309 YHG=2278>than " XBD=2546 XHG=2434 YBD=2309 YHG=2278>could" XBD=1461 XHG=1361 YBD=2354 YHG=2323>have " XBD=1572 XHG=1477 YBD=2353 YHG=2322>been " XBD=1779 XHG=1588 YBD=2362 YHG=2322>expected " XBD=1838 XHG=1789 YBD=2353 YHG=2332>on " XBD=2022 XHG=1854 YBD=2353 YHG=2322>bed-rest " XBD=2159 XHG=2038 YBD=2353 YHG=2322>alone. ’..

" XBD=1489 XHG=1410 YBD=2397 YHG=2365>The " XBD=1703 XHG=1506 YBD=2406 YHG=2366>discovery " XBD=1759 XHG=1720 YBD=2396 YHG=2366>of " XBD=2003 XHG=1777 YBD=2397 YHG=2365>Buttle/and " XBD=2084 XHG=2025 YBD=2396 YHG=2365>his colleagues " XBD=2436 XHG=2320 YBD=2397 YHG=2365>that " XBD=2544 XHG=2455 YBD=2397 YHG=2366>4:4’-" XBD=1896 XHG=1364 YBD=2450 YHG=2408>diaminodiphenylsulphone " XBD=2007 XHG=1914 YBD=2445 YHG=2408>was " XBD=2154 XHG=2041 YBD=2440 YHG=2409>much " XBD=2291 XHG=2188 YBD=2440 YHG=2418>more |>" XBD=2546 XHG=2324 YBD=2449 YHG=2410>powerfully" XBD=1606 XHG=1362 YBD=2485 YHG=2453>bactericidal " XBD=1675 XHG=1615 YBD=2485 YHG=2453>for " XBD=1934 XHG=1687 YBD=2493 YHG=2453>streptococci " XBD=2040 XHG=1945 YBD=2485 YHG=2454>than " XBD=2365 XHG=2052 YBD=2493 YHG=2453>sulphanilamide " XBD=2546 XHG=2379 YBD=2485 YHG=2454>directed" XBD=1553 XHG=1361 YBD=2528 YHG=2498>attention " XBD=1622 XHG=1581 YBD=2529 YHG=2499>to " XBD=1719 XHG=1651 YBD=2528 YHG=2497>the " XBD=1858 XHG=1747 YBD=2529 YHG=2497>effect " XBD=1927 XHG=1887 YBD=2528 YHG=2498>of " XBD=2043 XHG=1954 YBD=2533 YHG=2497>this, " XBD=2150 XHG=2074 YBD=2527 YHG=2497>and " XBD=2218 XHG=2179 YBD=2528 YHG=2497>of " XBD=2454 XHG=2247 YBD=2529 YHG=2497>derived &dquo; " XBD=2543 XHG=2471 YBD=2528 YHG=2498>sul-" XBD=1542 XHG=1360 YBD=2580 YHG=2541>phones,&dquo; " XBD=1607 XHG=1557 YBD=2571 YHG=2550>on " XBD=1684 XHG=1618 YBD=2572 YHG=2541>the " XBD=1863 XHG=1696 YBD=2572 YHG=2541>tubercle " XBD=2043 XHG=1875 YBD=2572 YHG=2541>bacillus. " XBD=2140 XHG=2095 YBD=2571 YHG=2541>In " XBD=2201 XHG=2153 YBD=2571 YHG=2549>an " XBD=2446 XHG=2214 YBD=2580 YHG=2540>experiment " XBD=2546 XHG=2459 YBD=2572 YHG=2541>that" XBD=1484 XHG=1361 YBD=2617 YHG=2584>lasted " XBD=1577 XHG=1507 YBD=2615 YHG=2584>228 " XBD=1707 XHG=1601 YBD=2624 YHG=2584>days, " XBD=1926 XHG=1731 YBD=2621 YHG=2584>Feldman, " XBD=2133 XHG=1952 YBD=2615 YHG=2584>Hinshaw " XBD=2232 XHG=2156 YBD=2615 YHG=2584>and " XBD=2403 XHG=2254 YBD=2615 YHG=2582>Moses found

" XBD=1438 XHG=1361 YBD=2659 YHG=2628>this " XBD=1564 XHG=1457 YBD=2669 YHG=2628>drug, " XBD=1660 XHG=1582 YBD=2664 YHG=2629>too, " XBD=1720 XHG=1679 YBD=2659 YHG=2630>to " XBD=1786 XHG=1739 YBD=2659 YHG=2628>be " XBD=1845 XHG=1804 YBD=2659 YHG=2628>of " XBD=1927 XHG=1860 YBD=2659 YHG=2628>the " XBD=2173 XHG=1945 YBD=2660 YHG=2628>kill-or-cure " XBD=2351 XHG=2190 YBD=2668 YHG=2628>variety. " XBD=2462 XHG=2401 YBD=2668 YHG=2629>By " XBD=2545 XHG=2480 YBD=2658 YHG=2628>the" XBD=1436 XHG=1361 YBD=2703 YHG=2672>end " XBD=1492 XHG=1452 YBD=2703 YHG=2672>of " XBD=1573 XHG=1506 YBD=2703 YHG=2672>the " XBD=1719 XHG=1587 YBD=2710 YHG=2672>period " XBD=1822 XHG=1737 YBD=2712 YHG=2671>71% " XBD=1878 XHG=1839 YBD=2702 YHG=2672>of " XBD=1992 XHG=1893 YBD=2703 YHG=2672>their " XBD=2212 XHG=2007 YBD=2704 YHG=2672>untreated, " XBD=2371 XHG=2225 YBD=2703 YHG=2672>control " XBD=2546 XHG=2386 YBD=2703 YHG=2672>animals" XBD=1438 XHG=1360 YBD=2746 YHG=2716>had " XBD=1543 XHG=1456 YBD=2747 YHG=2715>died " XBD=1595 XHG=1556 YBD=2746 YHG=2715>of " XBD=1808 XHG=1612 YBD=2746 YHG=2715>advanced " XBD=2084 XHG=1825 YBD=2751 YHG=2715>tuberculosis, " XBD=2174 XHG=2099 YBD=2746 YHG=2716>and " XBD=2257 XHG=2192 YBD=2747 YHG=2716>the " XBD=2372 XHG=2271 YBD=2747 YHG=2725>same " XBD=2543 XHG=2389 YBD=2755 YHG=2725>propor-" XBD=1444 XHG=1361 YBD=2790 YHG=2759>tion " XBD=1501 XHG=1462 YBD=2789 YHG=2759>of " XBD=1584 XHG=1517 YBD=2789 YHG=2759>the " XBD=1749 XHG=1600 YBD=2789 YHG=2758>treated " XBD=1882 XHG=1764 YBD=2799 YHG=2768>group " XBD=1996 XHG=1900 YBD=2792 YHG=2769>were " XBD=2090 XHG=2014 YBD=2790 YHG=2759>still " XBD=2204 XHG=2106 YBD=2790 YHG=2759>alive " XBD=2298 XHG=2221 YBD=2791 YHG=2760>and |>" XBD=2543 XHG=2311 YBD=2799 YHG=2759>Nourishing." XBD=1482 XHG=1362 YBD=2833 YHG=2802>These " XBD=1675 XHG=1504 YBD=2838 YHG=2802>animals, " XBD=1809 XHG=1700 YBD=2833 YHG=2802>when " XBD=1958 XHG=1833 YBD=2839 YHG=2802>killed, " XBD=2133 XHG=1983 YBD=2834 YHG=2803>showed " XBD=2266 XHG=2157 YBD=2834 YHG=2803>small " XBD=2448 XHG=2290 YBD=2834 YHG=2803>discrete " XBD=2545 XHG=2471 YBD=2833 YHG=2803>foci" XBD=1440 XHG=1363 YBD=2877 YHG=2845>and " XBD=1570 XHG=1457 YBD=2886 YHG=2855>every " XBD=1766 XHG=1588 YBD=2878 YHG=2846>evidence " XBD=1823 XHG=1784 YBD=2878 YHG=2846>of " XBD=2054 XHG=1839 YBD=2887 YHG=2846>retrograde " XBD=2231 XHG=2070 YBD=2887 YHG=2856>process. " XBD=2544 XHG=2282 YBD=2878 YHG=2846>Nevertheless" XBD=1453 XHG=1364 YBD=2930 YHG=2890>29% " XBD=1520 XHG=1481 YBD=2921 YHG=2890>of " XBD=1613 XHG=1547 YBD=2921 YHG=2890>the " XBD=1789 XHG=1639 YBD=2922 YHG=2891>treated " XBD=1933 XHG=1813 YBD=2931 YHG=2900>group " XBD=2059 XHG=1962 YBD=2927 YHG=2891>died, " XBD=2329 XHG=2087 YBD=2931 YHG=2890>presumably " XBD=2453 XHG=2354 YBD=2922 YHG=2891>from " XBD=2546 XHG=2481 YBD=2921 YHG=2891>the" XBD=1465 XHG=1361 YBD=2965 YHG=2934>toxic " XBD=1630 XHG=1504 YBD=2965 YHG=2934>action " XBD=1698 XHG=1659 YBD=2965 YHG=2935>of " XBD=1801 XHG=1735 YBD=2965 YHG=2934>the " XBD=1936 XHG=1830 YBD=2974 YHG=2934>drug. " XBD=2163 XHG=2010 YBD=2965 YHG=2935>Promin " XBD=2354 XHG=2192 YBD=2974 YHG=2935>(sodium |>" XBD=2545 XHG=2388 YBD=2975 YHG=2934>p,p’-di-

aminodiphenylsulphone-N.N-didextrose |>" XBD=2467 XHG=2214 YBD=3018 YHG=2978>sulphonate), " XBD=2545 XHG=2480 YBD=3008 YHG=2978>the" XBD=1444 XHG=1362 YBD=3052 YHG=3021>first " XBD=1680 XHG=1472 YBD=3052 YHG=3021>derivative " XBD=1749 XHG=1709 YBD=3052 YHG=3021>of " XBD=1852 XHG=1776 YBD=3052 YHG=3022>this " XBD=2013 XHG=1876 YBD=3061 YHG=3024>parent " XBD=2253 XHG=2041 YBD=3058 YHG=3022>substance, " XBD=2462 XHG=2280 YBD=3061 YHG=3022>although " XBD=2545 XHG=2486 YBD=3051 YHG=3022>far" XBD=1517 XHG=1362 YBD=3096 YHG=3064>inferior " XBD=1571 XHG=1532 YBD=3095 YHG=3064>in " XBD=1638 XHG=1588 YBD=3095 YHG=3065>its " XBD=1940 XHG=1659 YBD=3096 YHG=3065>bacteriostatic " XBD=2090 XHG=1963 YBD=3096 YHG=3066>action " XBD=2156 XHG=2108 YBD=3095 YHG=3074>on " XBD=2346 XHG=2179 YBD=3096 YHG=3065>tubercle " XBD=2488 XHG=2363 YBD=3095 YHG=3065>bacilli " XBD=2544 XHG=2505 YBD=3094 YHG=3065>in

3. Gardner, L. U. and Wright, G. Proc. 8th Annual Meeting ofIndustrial Hygiene Foundation of America, 1943. p. 47.

4. See Lancet, April 22, 1944, p. 539.5. Rich, A. R. and Follis, R. H, jun. Bull. Johns Hopk. Hosp. 1938,

62, 77.6. Ballon, H. C. and Guernon, A. Amer. Rev. Tuberc. 1942, 45, 212.7. Zucker, G. Pinner, M. and Hyman, T. H. Ibid, p. 292.8. Buttle, G. A. H. Stephenson, D., Smith, S. and Foster, G. E.

Lancet, 1937, i, 1331.9. Feldman, W. H., Hinshaw, H. C. and Moses, H. E. Amer. J. med.

Sci. 1944, 207, 290.

51

" XBD=273 XHG=140 YBD=221 YHG=183>vitro,10 " XBD=359 XHG=291 YBD=215 YHG=184>has " XBD=468 XHG=374 YBD=214 YHG=184>been " XBD=608 XHG=489 YBD=214 YHG=184>found " XBD=677 XHG=625 YBD=222 YHG=184>by " XBD=876 XHG=693 YBD=215 YHG=171>Feldman " XBD=969 XHG=893 YBD=214 YHG=184>and " XBD=1044 XHG=985 YBD=214 YHG=184>his " XBD=1312 XHG=1064 YBD=224 YHG=183>colleagues 1;" XBD=178 XHG=140 YBD=259 YHG=224>to " XBD=333 XHG=194 YBD=267 YHG=227>modify " XBD=673 XHG=348 YBD=267 YHG=227>progression and " XBD=825 XHG=688 YBD=258 YHG=227>favour " XBD=990 XHG=839 YBD=266 YHG=227>healing " XBD=1046 XHG=1006 YBD=258 YHG=227>of " XBD=1308 XHG=1061 YBD=258 YHG=227>tuberculosis" XBD=177 XHG=140 YBD=303 YHG=273>in " XBD=253 XHG=191 YBD=303 YHG=272>the " XBD=463 XHG=268 YBD=310 YHG=271>guineapig " XBD=571 XHG=479 YBD=301 YHG=270>with " XBD=611 XHG=588 YBD=300 YHG=280>a " XBD=685 XHG=626 YBD=301 YHG=270>far " XBD=1082 XHG=702 YBD=309 YHG=270>smaller drug-toxic " XBD=1306 XHG=1099 YBD=310 YHG=270>mortality." XBD=244 XHG=141 YBD=346 YHG=316>Their " XBD=491 XHG=263 YBD=353 YHG=315>experiment " XBD=588 XHG=510 YBD=345 YHG=323>was " XBD=787 XHG=608 YBD=353 YHG=314>repeated " XBD=859 XHG=808 YBD=352 YHG=314>by " XBD=1075 XHG=878 YBD=349 YHG=313>Steenken, " XBD=1211 XHG=1100 YBD=345 YHG=314>Heise " XBD=1308 XHG=1233 YBD=344 YHG=313>and

W olÍJ1sky ,2 " XBD=459 XHG=377 YBD=388 YHG=357>who " XBD=511 XHG=472 YBD=388 YHG=357>in " XBD=695 XHG=525 YBD=388 YHG=357>addition " XBD=857 XHG=708 YBD=387 YHG=353>treated " XBD=892 XHG=870 YBD=387 YHG=367>a " XBD=1022 XHG=904 YBD=396 YHG=365>group " XBD=1078 XHG=1038 YBD=387 YHG=357>of " XBD=1309 XHG=1091 YBD=396 YHG=357>guineapigs" XBD=346 XHG=140 YBD=433 YHG=390>inoculated " XBD=384 XHG=365 YBD=432 YHG=403>3 " XBD=524 XHG=404 YBD=431 YHG=401>weeks " XBD=670 XHG=544 YBD=431 YHG=400>before " XBD=783 XHG=689 YBD=430 YHG=400>with " XBD=919 XHG=801 YBD=439 YHG=400>living " XBD=1164 XHG=938 YBD=432 YHG=400>attenuated " XBD=1307 XHG=1183 YBD=431 YHG=400>bacilli" XBD=248 XHG=143 YBD=484 YHG=446>(H.37 &dquo;a " XBD=421 XHG=369 YBD=483 YHG=444>&dquo;), " XBD=531 XHG=442 YBD=475 YHG=444>thus " XBD=702 XHG=548 YBD=483 YHG=443>making " XBD=789 XHG=723 YBD=474 YHG=444>the " XBD=1078 XHG=806 YBD=483 YHG=443>experimental " XBD=1305 XHG=1094 YBD=474 YHG=444>conditions" XBD=453 XHG=141 YBD=520 YHG=483>somewhat ’more " XBD=706 XHG=466 YBD=526 YHG=487>comparable " XBD=811 XHG=718 YBD=517 YHG=487>with " XBD=934 XHG=819 YBD=517 YHG=486>those " XBD=988 XHG=947 YBD=517 YHG=486>in " XBD=1150 XHG=1002 YBD=517 YHG=487>clinical " XBD=1307 XHG=1164 YBD=518 YHG=487>human" XBD=386 XHG=139 YBD=563 YHG=531>tuberculosis. " XBD=483 XHG=438 YBD=561 YHG=531>In " XBD=571 XHG=496 YBD=561 YHG=531>this " XBD=807 XHG=585 YBD=561 YHG=530>vaccinated " XBD=938 XHG=820 YBD=570 YHG=539>group " XBD=1102 XHG=952 YBD=571 YHG=530>promin " XBD=1191 XHG=1113 YBD=560 YHG=530>had " XBD=1307 XHG=1204 YBD=562 YHG=540>more" XBD=337 XHG=140 YBD=614 YHG=575>inhibitory " XBD=480 XHG=370 YBD=606 YHG=574>effect " XBD=563 XHG=514 YBD=604 YHG=584>on " XBD=664 XHG=598 YBD=604 YHG=574>the " XBD=867 XHG=697 YBD=614 YHG=583>progress " XBD=942 XHG=903 YBD=604 YHG=574>of " XBD=1042 XHG=976 YBD=605 YHG=573>the " XBD=1306 XHG=1076 YBD=613 YHG=574>subsequent" XBD=294 XHG=140 YBD=650 YHG=619>virulent " XBD=487 XHG=309 YBD=649 YHG=618>infection " XBD=597 XHG=502 YBD=648 YHG=618>than " XBD=642 XHG=612 YBD=647 YHG=618>it " XBD=734 XHG=657 YBD=648 YHG=617>had " XBD=789 XHG=749 YBD=647 YHG=617>in " XBD=869 XHG=804 YBD=648 YHG=617>the " XBD=1160 XHG=884 YBD=648 YHG=617>unvaccinated " XBD=1305 XHG=1175 YBD=657 YHG=626>group." XBD=284 XHG=140 YBD=693 YHG=662>Promin " XBD=381 XHG=313 YBD=692 YHG=661>has " XBD=505 XHG=411 YBD=691 YHG=662>been " XBD=805 XHG=536 YBD=691 YHG=661>administered " XBD=888 XHG=836 YBD=699 YHG=661>by " XBD=1054 XHG=919 YBD=691 YHG=660>mouth " XBD=1161 XHG=1084 YBD=692 YHG=660>and " XBD=1306 XHG=1190 YBD=691 YHG=661>intra-" XBD=392 XHG=142 YBD=744 YHG=704>venously,x3 i4 " XBD=484 XHG=408 YBD=735 YHG=704>and " XBD=550 XHG=510 YBD=735 YHG=705>in " XBD=666 XHG=565 YBD=744 YHG=705>large " XBD=975 XHG=691 YBD=735 YHG=704>concentration " XBD=1233 XHG=1000 YBD=735 YHG=704>maintained " XBD=1310 XHG=1257 YBD=744 YHG=705>by" XBD=374 XHG=141 YBD=780 YHG=750>intravenous " XBD=520 XHG=395 YBD=788 YHG=747>drip,l6 " XBD=609 XHG=539 YBD=779 YHG=749>but " XBD=695 XHG=630 YBD=779 YHG=748>the " XBD=851 XHG=715 YBD=779 YHG=748>results " XBD=969 XHG=869 YBD=779 YHG=748>have " XBD=1056 XHG=988 YBD=779 YHG=749>not " XBD=1117 XHG=1077 YBD=779 YHG=758>so " XBD=1196 XHG=1136 YBD=779 YHG=749>far " XBD=1310 XHG=1215 YBD=780 YHG=748>been" XBD=391 XHG=141 YBD=833 YHG=793>encouraging. " XBD=570 XHG=441 YBD=823 YHG=792>Direct " XBD=699 XHG=603 YBD=823 YHG=792>local " XBD=961 XHG=731 YBD=832 YHG=792>application " XBD=1035 XHG=994 YBD=822 YHG=794>to " XBD=1310 XHG=1068 YBD=824 YHG=792>tuberculous" XBD=349 XHG=140 YBD=875 YHG=836>larynxes,14 " XBD=554 XHG=368 YBD=872 YHG=836>sinuses,16 " XBD=718 XHG=572 YBD=875 YHG=835>pleural " XBD=911 XHG=734 YBD=866 YHG=835>effusions " XBD=1003 XHG=928 YBD=866 YHG=834>and " XBD=1196 XHG=1020 YBD=866 YHG=835>ascites 17 " XBD=1310 XHG=1212 YBD=867 YHG=835>have" XBD=263 XHG=143 YBD=911 YHG=880>shown " XBD=393 XHG=283 YBD=912 YHG=880>much " XBD=515 XHG=414 YBD=911 YHG=889>more " XBD=740 XHG=534 YBD=920 YHG=879>promising " XBD=906 XHG=757 YBD=911 YHG=879>results." XBD=260 XHG=186 YBD=955 YHG=923>The " XBD=400 XHG=288 YBD=956 YHG=923>latest " XBD=619 XHG=437 YBD=963 YHG=924>sulphone " XBD=878 XHG=656 YBD=960 YHG=924>derivative, " XBD=1111 XHG=908 YBD=963 YHG=923>promizole |>" XBD=1311 XHG=1149 YBD=963 YHG=923>(4:2-di-

aminophenyl-5-thiazolesulphone) " XBD=946 XHG=878 YBD=998 YHG=968>has " XBD=1186 XHG=999 YBD=1007 YHG=968>recently " XBD=1310 XHG=1215 YBD=998 YHG=967>been" XBD=325 XHG=102 YBD=1043 YHG=1002>described " XBD=395 XHG=344 YBD=1051 YHG=1008>by " XBD=609 XHG=415 YBD=1047 YHG=1011>Feldman, " XBD=824 XHG=632 YBD=1048 YHG=1011>Hinshaw, " XBD=922 XHG=846 YBD=1042 YHG=1012>and " XBD=1099 XHG=941 YBD=1042 YHG=1010>Mann:18 " XBD=1194 XHG=1149 YBD=1042 YHG=1012>In " XBD=1312 XHG=1214 YBD=1042 YHG=1012>their" XBD=383 XHG=141 YBD=1095 YHG=1055>experiments " XBD=706 XHG=403 YBD=1087 YHG=1055>administration " XBD=765 XHG=726 YBD=1086 YHG=1056>of " XBD=849 XHG=783 YBD=1087 YHG=1056>the " XBD=964 XHG=869 YBD=1096 YHG=1056>drug " XBD=1058 XHG=981 YBD=1087 YHG=1065>was " XBD=1236 XHG=1078 YBD=1096 YHG=1055>delayed " XBD=1317 XHG=1254 YBD=1087 YHG=1056>for" XBD=230 XHG=144 YBD=1131 YHG=1102>6-14 " XBD=368 XHG=249 YBD=1133 YHG=1100>weeks " XBD=486 XHG=389 YBD=1131 YHG=1100>after " XBD=571 XHG=505 YBD=1130 YHG=1099>the " XBD=751 XHG=592 YBD=1131 YHG=1099>animals " XBD=848 XHG=771 YBD=1131 YHG=1100>had " XBD=965 XHG=868 YBD=1131 YHG=1100>been " XBD=1199 XHG=985 YBD=1131 YHG=1100>inoculated " XBD=1312 XHG=1219 YBD=1132 YHG=1100>with" XBD=296 XHG=141 YBD=1175 YHG=1144>virulent " XBD=455 XHG=313 YBD=1183 YHG=1142>human " XBD=623 XHG=474 YBD=1181 YHG=1144>bacilli ; " XBD=728 XHG=658 YBD=1175 YHG=1144>226 " XBD=841 XHG=747 YBD=1184 YHG=1144>days " XBD=957 XHG=861 YBD=1175 YHG=1144>after " XBD=1206 XHG=975 YBD=1175 YHG=1144>inoculation " XBD=1313 XHG=1227 YBD=1184 YHG=1144>80%" XBD=178 XHG=142 YBD=1219 YHG=1188>of " XBD=255 XHG=192 YBD=1219 YHG=1188>the " XBD=416 XHG=272 YBD=1220 YHG=1188>control " XBD=590 XHG=432 YBD=1220 YHG=1188>animals " XBD=683 XHG=606 YBD=1219 YHG=1188>had " XBD=787 XHG=701 YBD=1219 YHG=1188>died " XBD=843 XHG=804 YBD=1219 YHG=1189>of " XBD=1119 XHG=859 YBD=1225 YHG=1188>tuberculosis, " XBD=1207 XHG=1136 YBD=1220 YHG=1189>but " XBD=1313 XHG=1227 YBD=1228 YHG=1188>90%" XBD=178 XHG=142 YBD=1263 YHG=1233>of " XBD=300 XHG=196 YBD=1263 YHG=1232>those " XBD=443 XHG=319 YBD=1264 YHG=1233>whose " XBD=665 XHG=463 YBD=1271 YHG=1232>promizole " XBD=891 XHG=685 YBD=1264 YHG=1234>treatment " XBD=990 XHG=912 YBD=1263 YHG=1233>had " XBD=1104 XHG=1010 YBD=1263 YHG=1232>been " XBD=1272 XHG=1125 YBD=1263 YHG=1232>started " XBD=1314 XHG=1294 YBD=1263 YHG=1234>6" XBD=256 XHG=142 YBD=1307 YHG=1275>weeks " XBD=364 XHG=268 YBD=1307 YHG=1276>after " XBD=611 XHG=379 YBD=1307 YHG=1276>inoculation " XBD=722 XHG=625 YBD=1308 YHG=1285>were " XBD=811 XHG=734 YBD=1307 YHG=1276>still " XBD=931 XHG=823 YBD=1308 YHG=1277>alive. " XBD=1007 XHG=960 YBD=1307 YHG=1276>Of " XBD=1047 XHG=1024 YBD=1307 YHG=1285>a " XBD=1176 XHG=1058 YBD=1316 YHG=1285>group " XBD=1314 XHG=1187 YBD=1308 YHG=1276>whose" XBD=340 XHG=143 YBD=1352 YHG=1321>treatment " XBD=441 XHG=364 YBD=1351 YHG=1320>had " XBD=561 XHG=467 YBD=1351 YHG=1320>been " XBD=747 XHG=589 YBD=1360 YHG=1320>delayed " XBD=821 XHG=777 YBD=1352 YHG=1323>14 " XBD=979 XHG=844 YBD=1357 YHG=1320>weeks, " XBD=1097 XHG=1010 YBD=1360 YHG=1320>67% " XBD=1312 XHG=1123 YBD=1351 YHG=1320>survived." XBD=248 XHG=126 YBD=1400 YHG=1364>Here, " XBD=367 XHG=265 YBD=1401 YHG=1364>then, " XBD=503 XHG=385 YBD=1396 YHG=1365>seems " XBD=561 XHG=520 YBD=1395 YHG=1366>to " XBD=625 XHG=578 YBD=1395 YHG=1365>be " XBD=664 XHG=642 YBD=1395 YHG=1374>a " XBD=778 XHG=682 YBD=1405 YHG=1365>drug " XBD=876 XHG=792 YBD=1396 YHG=1365>well " XBD=1077 XHG=892 YBD=1396 YHG=1364>tolerated " XBD=1146 XHG=1094 YBD=1404 YHG=1364>by " XBD=1312 XHG=1163 YBD=1404 YHG=1364>guinea-" XBD=218 XHG=142 YBD=1449 YHG=1409>pigs " XBD=328 XHG=241 YBD=1446 YHG=1418>over " XBD=373 XHG=351 YBD=1439 YHG=1418>a " XBD=483 XHG=395 YBD=1448 YHG=1408>long " XBD=647 XHG=505 YBD=1448 YHG=1406>period, " XBD=845 XHG=673 YBD=1440 YHG=1408>effective " XBD=908 XHG=868 YBD=1440 YHG=1409>in " XBD=1068 XHG=931 YBD=1448 YHG=1409>dosage " XBD=1209 XHG=1092 YBD=1439 YHG=1408>about " XBD=1314 XHG=1233 YBD=1439 YHG=1408>half" XBD=224 XHG=144 YBD=1483 YHG=1452>that " XBD=278 XHG=240 YBD=1482 YHG=1453>of " XBD=450 XHG=292 YBD=1492 YHG=1452>promin, " XBD=544 XHG=469 YBD=1483 YHG=1452>and " XBD=730 XHG=560 YBD=1492 YHG=1453>exerting " XBD=768 XHG=746 YBD=1483 YHG=1462>a " XBD=1004 XHG=783 YBD=1484 YHG=1452>favourable " XBD=1203 XHG=1019 YBD=1483 YHG=1451>influence " XBD=1313 XHG=1219 YBD=1483 YHG=1462>even" XBD=244 XHG=143 YBD=1528 YHG=1496>when " XBD=309 XHG=261 YBD=1528 YHG=1497>its " XBD=631 XHG=327 YBD=1528 YHG=1496>administration " XBD=679 XHG=648 YBD=1528 YHG=1497>is " XBD=858 XHG=698 YBD=1536 YHG=1497>delayed " XBD=963 XHG=874 YBD=1536 YHG=1497>long " XBD=1127 XHG=980 YBD=1536 YHG=1496>enough " XBD=1186 XHG=1145 YBD=1527 YHG=1498>to " XBD=1314 XHG=1205 YBD=1527 YHG=1496>allow" XBD=204 XHG=143 YBD=1572 YHG=1541>the " XBD=364 XHG=226 YBD=1572 YHG=1541>disease " XBD=425 XHG=385 YBD=1571 YHG=1543>to " XBD=535 XHG=448 YBD=1581 YHG=1541>gain " XBD=579 XHG=558 YBD=1571 YHG=1550>a " XBD=686 XHG=601 YBD=1571 YHG=1541>firm " XBD=809 XHG=707 YBD=1572 YHG=1541>hold. " XBD=1069 XHG=860 YBD=1572 YHG=1540>Promizole " XBD=1249 XHG=1091 YBD=1580 YHG=1550>appears " XBD=1312 XHG=1272 YBD=1571 YHG=1542>to" XBD=188 XHG=144 YBD=1616 YHG=1585>be " XBD=296 XHG=204 YBD=1616 YHG=1594>even " XBD=438 XHG=314 YBD=1616 YHG=1585>better " XBD=641 XHG=456 YBD=1616 YHG=1585>tolerated " XBD=713 XHG=660 YBD=1624 YHG=1585>by " XBD=846 XHG=732 YBD=1622 YHG=1594>man ; " XBD=1016 XHG=881 YBD=1624 YHG=1584>during " XBD=1101 XHG=1034 YBD=1615 YHG=1584>the " XBD=1205 XHG=1118 YBD=1624 YHG=1586>past " XBD=1315 XHG=1225 YBD=1624 YHG=1594>year" XBD=173 XHG=144 YBD=1660 YHG=1629>it " XBD=252 XHG=187 YBD=1659 YHG=1629>has " XBD=362 XHG=269 YBD=1660 YHG=1629>been " XBD=647 XHG=379 YBD=1660 YHG=1628>administered " XBD=756 XHG=663 YBD=1660 YHG=1629>with " XBD=965 XHG=774 YBD=1668 YHG=1629>impunity " XBD=1024 XHG=983 YBD=1659 YHG=1630>to " XBD=1089 XHG=1044 YBD=1659 YHG=1630>56 " XBD=1314 XHG=1105 YBD=1668 YHG=1628>patients 19" XBD=180 XHG=144 YBD=1704 YHG=1674>in " XBD=330 XHG=198 YBD=1713 YHG=1673>dosage " XBD=575 XHG=351 YBD=1713 YHG=1673>sufficiently " XBD=695 XHG=594 YBD=1713 YHG=1673>large " XBD=756 XHG=716 YBD=1704 YHG=1675>to " XBD=942 XHG=777 YBD=1713 YHG=1673>produce " XBD=1077 XHG=962 YBD=1703 YHG=1672>blood " XBD=1313 XHG=1097 YBD=1704 YHG=1674>concentra-" XBD=237 XHG=143 YBD=1748 YHG=1718>tions " XBD=489 XHG=254 YBD=1757 YHG=1717>comparable " XBD=597 XHG=504 YBD=1748 YHG=1717>with " XBD=722 XHG=615 YBD=1748 YHG=1717>those " XBD=913 XHG=740 YBD=1749 YHG=1717>attained " XBD=1051 XHG=928 YBD=1748 YHG=1717>in the " XBD=1314 XHG=1068 YBD=1757 YHG=1716>guineapigs ;" XBD=228 XHG=145 YBD=1801 YHG=1762>only " XBD=350 XHG=240 YBD=1801 YHG=1761>slight " XBD=439 XHG=364 YBD=1792 YHG=1761>and " XBD=637 XHG=452 YBD=1792 YHG=1762>transient " XBD=753 XHG=651 YBD=1792 YHG=1761>toxic " XBD=952 XHG=767 YBD=1792 YHG=1762>reactions " XBD=1061 XHG=965 YBD=1792 YHG=1768>were " XBD=1203 XHG=1074 YBD=1792 YHG=1761>noted. " XBD=1313 XHG=1254 YBD=1791 YHG=1761>No" XBD=351 XHG=144 YBD=1836 YHG=1805>evaluation " XBD=408 XHG=369 YBD=1836 YHG=1805>of " XBD=489 XHG=424 YBD=1836 YHG=1805>the " XBD=653 XHG=507 YBD=1836 YHG=1804>clinical " XBD=805 XHG=669 YBD=1836 YHG=1805>results " XBD=861 XHG=821 YBD=1836 YHG=1805>in " XBD=985 XHG=878 YBD=1836 YHG=1805>these " XBD=1053 XHG=1004 YBD=1836 YHG=1806>56 " XBD=1169 XHG=1066 YBD=1836 YHG=1814>cases " XBD=1254 XHG=1186 YBD=1836 YHG=1805>has " XBD=1312 XHG=1273 YBD=1835 YHG=1814>so" XBD=197 XHG=143 YBD=1880 YHG=1850>far " XBD=306 XHG=215 YBD=1880 YHG=1849>been " XBD=619 XHG=326 YBD=1889 YHG=1849>attempted-it " XBD=713 XHG=638 YBD=1879 YHG=1849>will " XBD=780 XHG=732 YBD=1880 YHG=1849>be " XBD=951 XHG=799 YBD=1880 YHG=1849>months " XBD=1099 XHG=971 YBD=1880 YHG=1848>before " XBD=1183 XHG=1117 YBD=1880 YHG=1848>the " XBD=1313 XHG=1203 YBD=1884 YHG=1849>effect" XBD=182 XHG=146 YBD=1924 YHG=1894>of " XBD=258 XHG=196 YBD=1924 YHG=1893>the " XBD=378 XHG=275 YBD=1933 YHG=1894>drug, " XBD=425 XHG=395 YBD=1923 YHG=1893>if " XBD=534 XHG=442 YBD=1933 YHG=1886>any, " XBD=596 XHG=548 YBD=1924 YHG=1903>on " XBD=678 XHG=614 YBD=1924 YHG=1893>the " XBD=865 XHG=695 YBD=1934 YHG=1903>progress " XBD=922 XHG=882 YBD=1924 YHG=1893>of " XBD=1003 XHG=937 YBD=1925 YHG=1892>the " XBD=1164 XHG=1020 YBD=1924 YHG=1893>disease " XBD=1250 XHG=1180 YBD=1924 YHG=1903>can " XBD=1314 XHG=1267 YBD=1924 YHG=1893>be" XBD=317 XHG=147 YBD=1969 YHG=1938>assessed.

" XBD=264 XHG=190 YBD=2013 YHG=1982>The " XBD=381 XHG=284 YBD=2012 YHG=1981>ideal " XBD=504 XHG=403 YBD=2012 YHG=1991>cases " XBD=565 XHG=527 YBD=2012 YHG=1982>of " XBD=833 XHG=587 YBD=2013 YHG=1981>tuberculosis " XBD=914 XHG=855 YBD=2012 YHG=1982>for " XBD=1230 XHG=936 YBD=2022 YHG=1982>chemotherapy " XBD=1315 XHG=1252 YBD=2012 YHG=1991>are" XBD=247 XHG=146 YBD=2057 YHG=2026>those " XBD=381 XHG=261 YBD=2056 YHG=2026>where " XBD=568 XHG=397 YBD=2056 YHG=2025>invasion " XBD=659 XHG=590 YBD=2056 YHG=2025>has " XBD=771 XHG=676 YBD=2056 YHG=2026>been " XBD=899 XHG=787 YBD=2065 YHG=2025>fairly " XBD=1043 XHG=915 YBD=2057 YHG=2028>recent " XBD=1135 XHG=1060 YBD=2056 YHG=2026>and " XBD=1217 XHG=1152 YBD=2056 YHG=2025>the " XBD=1314 XHG=1241 YBD=2056 YHG=2025>dis-" XBD=224 XHG=146 YBD=2101 YHG=2079>ease " XBD=277 XHG=247 YBD=2101 YHG=2070>is " XBD=523 XHG=293 YBD=2106 YHG=2069>infiltrative, " XBD=665 XHG=537 YBD=2100 YHG=2069>rather " XBD=772 XHG=677 YBD=2100 YHG=2069>than " XBD=891 XHG=782 YBD=2101 YHG=2070>those " XBD=1072 XHG=903 YBD=2110 YHG=2069>showing " XBD=1196 XHG=1085 YBD=2101 YHG=2071>acute " XBD=1316 XHG=1215 YBD=2100 YHG=2069>focal" XBD=321 XHG=145 YBD=2145 YHG=2114>reactions " XBD=426 XHG=334 YBD=2145 YHG=2114>with " XBD=613 XHG=441 YBD=2150 YHG=2114>necrosis, " XBD=874 XHG=629 YBD=2154 YHG=2114>liquefaction " XBD=965 XHG=889 YBD=2145 YHG=2114>and " XBD=1217 XHG=980 YBD=2145 YHG=2114>excavation. " XBD=1314 XHG=1269 YBD=2144 YHG=2114>In" XBD=205 XHG=146 YBD=2190 YHG=2159>the " XBD=365 XHG=230 YBD=2189 YHG=2159>former " XBD=482 XHG=389 YBD=2198 YHG=2160>type " XBD=710 XHG=508 YBD=2189 YHG=2158>successful " XBD=1030 XHG=736 YBD=2198 YHG=2158>chemotherapy " XBD=1178 XHG=1057 YBD=2198 YHG=2158>might " XBD=1315 XHG=1204 YBD=2189 YHG=2167>mean" XBD=322 XHG=147 YBD=2242 YHG=2202>complete " XBD=576 XHG=348 YBD=2239 YHG=2202>resolution ; " XBD=657 XHG=617 YBD=2232 YHG=2202>in " XBD=749 XHG=683 YBD=2233 YHG=2202>the " XBD=902 XHG=775 YBD=2238 YHG=2202>latter, " XBD=1075 XHG=929 YBD=2233 YHG=2202>fibrosis " XBD=1179 XHG=1102 YBD=2232 YHG=2202>and " XBD=1314 XHG=1204 YBD=2233 YHG=2201>bron-" XBD=332 XHG=148 YBD=2278 YHG=2246>chiectasis " XBD=432 XHG=370 YBD=2281 YHG=2255>are " XBD=546 XHG=469 YBD=2277 YHG=2246>still " XBD=696 XHG=581 YBD=2286 YHG=2246>likely " XBD=773 XHG=733 YBD=2276 YHG=2247>to " XBD=1003 XHG=812 YBD=2286 YHG=2246>challenge " XBD=1105 XHG=1039 YBD=2277 YHG=2246>the " XBD=1313 XHG=1143 YBD=2286 YHG=2255>surgeon." XBD=343 XHG=147 YBD=2322 YHG=2290>Promizole " XBD=407 XHG=367 YBD=2321 YHG=2300>or " XBD=479 XHG=429 YBD=2321 YHG=2291>its " XBD=709 XHG=502 YBD=2321 YHG=2300>successors " XBD=822 XHG=733 YBD=2330 YHG=2300>may " XBD=991 XHG=844 YBD=2321 YHG=2290>furnish " XBD=1084 XHG=1014 YBD=2322 YHG=2300>one " XBD=1251 XHG=1108 YBD=2321 YHG=2299>answer " XBD=1314 XHG=1274 YBD=2321 YHG=2292>to" XBD=226 XHG=147 YBD=2366 YHG=2335>that " XBD=377 XHG=243 YBD=2375 YHG=2335>vexing " XBD=578 XHG=395 YBD=2374 YHG=2335>question, " XBD=622 XHG=601 YBD=2347 YHG=2336>&dquo; " XBD=735 XHG=640 YBD=2366 YHG=2335>How " XBD=814 XHG=752 YBD=2366 YHG=2344>are " XBD=886 XHG=829 YBD=2366 YHG=2344>we " XBD=943 XHG=902 YBD=2365 YHG=2336>to " XBD=1060 XHG=960 YBD=2366 YHG=2336>treat " XBD=1143 XHG=1077 YBD=2366 YHG=2335>the " XBD=1261 XHG=1160 YBD=2366 YHG=2334>flood " XBD=1317 XHG=1278 YBD=2366 YHG=2335>of" XBD=353 XHG=147 YBD=2411 YHG=2379>subclinical " XBD=479 XHG=377 YBD=2410 YHG=2389>cases " XBD=674 XHG=502 YBD=2410 YHG=2378>revealed " XBD=767 XHG=699 YBD=2419 YHG=2379>by, " XBD=876 XHG=777 YBD=2410 YHG=2388>mass " XBD=1185 XHG=900 YBD=2419 YHG=2379>radiography ? " XBD=1227 XHG=1205 YBD=2392 YHG=2379>&dquo;

POPULATION OF THE USA

" XBD=345 XHG=193 YBD=2540 YHG=2509>TAKING " XBD=581 XHG=369 YBD=2549 YHG=2509>advantage " XBD=644 XHG=606 YBD=2539 YHG=2509>of " XBD=733 XHG=667 YBD=2539 YHG=2508>the |>" XBD=892 XHG=746 YBD=2539 YHG=2507>results " XBD=955 XHG=916 YBD=2539 YHG=2509>of " XBD=1044 XHG=978 YBD=2540 YHG=2509>the " XBD=1163 XHG=1071 YBD=2540 YHG=2510>1940 " XBD=1317 XHG=1185 YBD=2541 YHG=2519>census" XBD=295 XHG=148 YBD=2585 YHG=2553>Warren " XBD=530 XHG=315 YBD=2593 YHG=2553>Thompson " XBD=626 XHG=551 YBD=2583 YHG=2553>and " XBD=689 XHG=646 YBD=2583 YHG=2553>P. " XBD=762 XHG=713 YBD=2583 YHG=2553>K. |>|>|>" XBD=1000 XHG=783 YBD=2592 YHG=2553>Whelpton, " XBD=1062 XHG=1021 YBD=2584 YHG=2553>of " XBD=1146 XHG=1081 YBD=2584 YHG=2553>the " XBD=1317 XHG=1169 YBD=2593 YHG=2549>Scripps" XBD=378 XHG=149 YBD=2628 YHG=2597>Foundation " XBD=457 XHG=398 YBD=2628 YHG=2598>for " XBD=664 XHG=479 YBD=2628 YHG=2597>Research " XBD=727 XHG=684 YBD=2642 YHG=2597>in " XBD=972 XHG=744 YBD=2636 YHG=2597>Population " XBD=1198 XHG=993 YBD=2634 YHG=2597>Problems, " XBD=1318 XHG=1219 YBD=2628 YHG=2597>have" XBD=253 XHG=150 YBD=2672 YHG=2642>made " XBD=321 XHG=274 YBD=2672 YHG=2651>an " XBD=564 XHG=344 YBD=2672 YHG=2642>exhaustive " XBD=703 XHG=587 YBD=2681 YHG=2641>study " XBD=852 XHG=720 YBD=2672 YHG=2639>of the " XBD=1036 XHG=873 YBD=2680 YHG=2641>possible " XBD=1170 XHG=1058 YBD=2672 YHG=2641>trend " XBD=1232 XHG=1192 YBD=2672 YHG=2641>of " XBD=1318 XHG=1252 YBD=2672 YHG=2641>the" XBD=361 XHG=149 YBD=2724 YHG=2685>population " XBD=419 XHG=380 YBD=2716 YHG=2686>of " XBD=501 XHG=436 YBD=2716 YHG=2685>the " XBD=662 XHG=520 YBD=2716 YHG=2685>United " XBD=808 XHG=682 YBD=2716 YHG=2685>States " XBD=923 XHG=825 YBD=2716 YHG=2685>from " XBD=1037 XHG=946 YBD=2716 YHG=2687>1940 " XBD=1096 XHG=1054 YBD=2716 YHG=2687>to " XBD=1221 XHG=1116 YBD=2721 YHG=2686>2000, " XBD=1317 XHG=1242 YBD=2722 YHG=2685>and" XBD=241 XHG=149 YBD=2760 YHG=2729>their " XBD=408 XHG=275 YBD=2769 YHG=2729>figures " XBD=542 XHG=443 YBD=2761 YHG=2730>have " XBD=673 XHG=578 YBD=2760 YHG=2730>been " XBD=910 XHG=710 YBD=2768 YHG=2729>published " XBD=998 XHG=945 YBD=2769 YHG=2729>by " XBD=1101 XHG=1035 YBD=2760 YHG=2729>the " XBD=1318 XHG=1138 YBD=2759 YHG=2729>National" XBD=344 XHG=152 YBD=2804 YHG=2772>Resources " XBD=544 XHG=360 YBD=2814 YHG=2773>Planning " XBD=730 XHG=561 YBD=2804 YHG=2772>Board.2G |>" XBD=877 XHG=779 YBD=2809 YHG=2773>Such " XBD=1087 XHG=894 YBD=2804 YHG=2773>estimates " XBD=1167 XHG=1103 YBD=2803 YHG=2782>are " XBD=1262 XHG=1182 YBD=2808 YHG=2774>not, " XBD=1320 XHG=1282 YBD=2803 YHG=2773>of" XBD=281 XHG=150 YBD=2852 YHG=2826>course, " XBD=531 XHG=305 YBD=2856 YHG=2817>predictions " XBD=594 XHG=555 YBD=2848 YHG=2818>in " XBD=683 XHG=618 YBD=2848 YHG=2818>the " XBD=814 XHG=708 YBD=2848 YHG=2817>strict " XBD=944 XHG=840 YBD=2848 YHG=2827>sense " XBD=1008 XHG=970 YBD=2847 YHG=2817>of " XBD=1097 XHG=1030 YBD=2847 YHG=2817>the " XBD=1223 XHG=1119 YBD=2847 YHG=2816>word " XBD=1316 XHG=1246 YBD=2847 YHG=2816>but

10. Smith, M. I., Emmart, E. W. and Westfall, B. B. J. Pharmacol.1942, 74, 163.

11. Feldman, W. H., Hinshaw, H. C. and Moses, H. E. Amer. Rev.Tuberc. 1942, 45, 303.

12. Steenken, W. jun., Heise, F. H. and Wolinsky, E. Ibid, 1943, 48,453.

13. Hinshaw, H. C. and Feldman, W. H. J. Amer. med. Ass. 1941,117, 1066.

14. Heaf, F. R. G., Hurford, J. V., Eiser, A. and Franklin, L. M.Lancet, 1943, i, 702.

15. Zucker, G., Pinner, M. and Hyman, T. H. Amer. Rev. Tuberc.1942, 46, 277.

16. Tytler, W. H. and Lapp, A. D. Brit. med. J. 1942, ii, 748.17. Crawford. J. H. Lancet, 1943, i, 787.18. Feldman, W. H., Hinshaw, H. C. and Mann, F. C. Proc. Mayo

Clin. 1944, 19, 25.19. Hinshaw, H. C., Feldman, W. H. and Pfuetze, K. H. Ibid, p. 33.20. US Govt. Printing Office, Wash. 1943. 35 cents.

" XBD=1498 XHG=1370 YBD=213 YHG=183>rather " XBD=1743 XHG=1517 YBD=214 YHG=184>statements " XBD=1802 XHG=1763 YBD=213 YHG=183>of " XBD=1924 XHG=1821 YBD=213 YHG=183>what " XBD=2010 XHG=1944 YBD=213 YHG=183>the " XBD=2113 XHG=2029 YBD=219 YHG=184>size, |>" XBD=2211 XHG=2135 YBD=217 YHG=193>sex, " XBD=2311 XHG=2232 YBD=223 YHG=193>age, " XBD=2459 XHG=2332 YBD=214 YHG=184>colour " XBD=2554 XHG=2478 YBD=213 YHG=184>and" XBD=1539 XHG=1372 YBD=265 YHG=226>nativity " XBD=1821 XHG=1572 YBD=265 YHG=226>composition " XBD=1892 XHG=1853 YBD=256 YHG=226>of " XBD=1989 XHG=1923 YBD=256 YHG=226>the " XBD=2243 XHG=2019 YBD=265 YHG=227>population " XBD=2413 XHG=2275 YBD=257 YHG=226>would " XBD=2479 XHG=2422 YBD=262 YHG=227>be " XBD=2573 XHG=2511 YBD=267 YHG=228>at" XBD=1500 XHG=1371 YBD=300 YHG=270>future " XBD=1623 XHG=1516 YBD=300 YHG=270>dates " XBD=1675 XHG=1646 YBD=299 YHG=270>if " XBD=1765 XHG=1699 YBD=299 YHG=269>the " XBD=1899 XHG=1781 YBD=299 YHG=269>birth- " XBD=1993 XHG=1916 YBD=299 YHG=268>and " XBD=2248 XHG=2015 YBD=300 YHG=269>death-rates " XBD=2347 XHG=2271 YBD=300 YHG=270>and " XBD=2433 XHG=2368 YBD=300 YHG=270>the " XBD=2554 XHG=2457 YBD=300 YHG=269>scale" XBD=1412 XHG=1373 YBD=343 YHG=313>of " XBD=1688 XHG=1433 YBD=352 YHG=313>immigration " XBD=1804 XHG=1708 YBD=343 YHG=322>were " XBD=1869 XHG=1828 YBD=343 YHG=314>to " XBD=2019 XHG=1894 YBD=343 YHG=311>follow " XBD=2185 XHG=2044 YBD=343 YHG=313>certain " XBD=2387 XHG=2210 YBD=352 YHG=313>specified " XBD=2551 XHG=2410 YBD=343 YHG=312>trends." XBD=1478 XHG=1373 YBD=395 YHG=356>They " XBD=1586 XHG=1512 YBD=392 YHG=365>are, " XBD=1820 XHG=1621 YBD=392 YHG=356>therefore, " XBD=1895 XHG=1855 YBD=386 YHG=356>of " XBD=2182 XHG=1928 YBD=386 YHG=355>considerable " XBD=2459 XHG=2214 YBD=395 YHG=356>importance, " XBD=2553 XHG=2494 YBD=386 YHG=356>for" XBD=1541 XHG=1370 YBD=430 YHG=391>instance " XBD=1596 XHG=1557 YBD=430 YHG=400>in " XBD=1767 XHG=1612 YBD=439 YHG=399>guiding " XBD=1801 XHG=1779 YBD=429 YHG=409>a " XBD=2040 XHG=1816 YBD=439 YHG=398>population " XBD=2192 XHG=2056 YBD=438 YHG=399>policy. " XBD=2460 XHG=2243 YBD=439 YHG=399>Thompson " XBD=2553 XHG=2476 YBD=429 YHG=399>and" XBD=1575 XHG=1371 YBD=482 YHG=443>Whelpton " XBD=1742 XHG=1599 YBD=483 YHG=443>having " XBD=1848 XHG=1766 YBD=474 YHG=443>first " XBD=2053 XHG=1873 YBD=481 YHG=442>carefully " XBD=2276 XHG=2079 YBD=473 YHG=441>examined " XBD=2366 XHG=2301 YBD=474 YHG=442>the " XBD=2553 XHG=2390 YBD=482 YHG=443>possible" XBD=1501 XHG=1371 YBD=517 YHG=487>trends " XBD=1558 XHG=1519 YBD=517 YHG=487>of " XBD=1644 XHG=1577 YBD=517 YHG=486>the " XBD=1779 XHG=1660 YBD=517 YHG=487>birth- " XBD=1873 XHG=1797 YBD=517 YHG=487>and " XBD=2127 XHG=1894 YBD=517 YHG=486>death-rates " XBD=2238 XHG=2148 YBD=516 YHG=485>take " XBD=2313 XHG=2254 YBD=516 YHG=485>for " XBD=2426 XHG=2323 YBD=517 YHG=486>-each " XBD=2552 XHG=2446 YBD=517 YHG=487>three" XBD=1533 XHG=1370 YBD=569 YHG=530>possible " XBD=1680 XHG=1552 YBD=561 YHG=530>future " XBD=1826 XHG=1700 YBD=566 YHG=530>levels, " XBD=1969 XHG=1846 YBD=561 YHG=530>which " XBD=2051 XHG=1989 YBD=561 YHG=539>are " XBD=2264 XHG=2072 YBD=561 YHG=529>described " XBD=2323 XHG=2283 YBD=560 YHG=529>in " XBD=2459 XHG=2343 YBD=560 YHG=529>detail " XBD=2555 XHG=2478 YBD=561 YHG=530>and" XBD=1519 XHG=1371 YBD=604 YHG=573>termed " XBD=1637 XHG=1534 YBD=614 YHG=573>high, " XBD=1728 XHG=1655 YBD=605 YHG=574>low " XBD=1821 XHG=1745 YBD=605 YHG=575>and " XBD=2016 XHG=1838 YBD=605 YHG=574>medium. " XBD=2188 XHG=2069 YBD=605 YHG=573>Given " XBD=2295 XHG=2204 YBD=613 YHG=573>high " XBD=2472 XHG=2312 YBD=613 YHG=573>fertility " XBD=2554 XHG=2488 YBD=604 YHG=574>the" XBD=1594 XHG=1370 YBD=656 YHG=617>population " XBD=1747 XHG=1621 YBD=648 YHG=618>would " XBD=1876 XHG=1773 YBD=657 YHG=627>grow " XBD=1955 XHG=1902 YBD=658 YHG=618>by " XBD=2047 XHG=1981 YBD=649 YHG=617>the " XBD=2166 XHG=2074 YBD=656 YHG=626>year " XBD=2288 XHG=2194 YBD=648 YHG=617>2000 " XBD=2357 XHG=2316 YBD=647 YHG=618>to " XBD=2552 XHG=2390 YBD=647 YHG=618>185-199" XBD=1515 XHG=1372 YBD=690 YHG=660>million " XBD=1630 XHG=1532 YBD=690 YHG=660>from " XBD=1718 XHG=1653 YBD=691 YHG=660>the " XBD=1831 XHG=1740 YBD=691 YHG=662>1940 " XBD=1964 XHG=1846 YBD=701 YHG=661>figure " XBD=2020 XHG=1981 YBD=692 YHG=661>of " XBD=2113 XHG=2048 YBD=692 YHG=662>131 " XBD=2286 XHG=2132 YBD=704 YHG=660>million. " XBD=2467 XHG=2337 YBD=691 YHG=658>Under " XBD=2554 XHG=2488 YBD=691 YHG=661>the" XBD=1608 XHG=1372 YBD=743 YHG=703>assumption " XBD=1673 XHG=1634 YBD=734 YHG=704>of " XBD=1864 XHG=1698 YBD=734 YHG=703>medium " XBD=2048 XHG=1888 YBD=744 YHG=705>fertility " XBD=2149 XHG=2073 YBD=735 YHG=705>and " XBD=2244 XHG=2172 YBD=735 YHG=699>low " XBD=2465 XHG=2268 YBD=743 YHG=704>mortality " XBD=2554 XHG=2488 YBD=735 YHG=704>the" XBD=1581 XHG=1372 YBD=779 YHG=748>maximum " XBD=1837 XHG=1613 YBD=787 YHG=748>population " XBD=1991 XHG=1864 YBD=779 YHG=747>would " XBD=2065 XHG=2017 YBD=780 YHG=749>be " XBD=2167 XHG=2101 YBD=779 YHG=750>168 " XBD=2342 XHG=2200 YBD=779 YHG=748>million " XBD=2423 XHG=2372 YBD=778 YHG=741>in " XBD=2552 XHG=2449 YBD=779 YHG=749>1990." XBD=1425 XHG=1372 YBD=822 YHG=791>At " XBD=1514 XHG=1447 YBD=822 YHG=791>the " XBD=1647 XHG=1538 YBD=822 YHG=791>other " XBD=1848 XHG=1669 YBD=827 YHG=792>extreme, " XBD=1944 XHG=1872 YBD=822 YHG=792>low " XBD=2125 XHG=1965 YBD=832 YHG=792>fertility " XBD=2224 XHG=2149 YBD=823 YHG=792>and " XBD=2336 XHG=2246 YBD=831 YHG=791>high " XBD=2557 XHG=2360 YBD=831 YHG=792>mortality" XBD=1457 XHG=1371 YBD=875 YHG=835>give " XBD=1494 XHG=1472 YBD=864 YHG=844>a " XBD=1720 XHG=1510 YBD=865 YHG=835>maximum " XBD=1774 XHG=1735 YBD=865 YHG=835>of " XBD=1885 XHG=1796 YBD=874 YHG=834>only " XBD=1970 XHG=1904 YBD=866 YHG=836>149 " XBD=2128 XHG=1986 YBD=866 YHG=835>million " XBD=2181 XHG=2142 YBD=866 YHG=836>in " XBD=2299 XHG=2208 YBD=867 YHG=837>1970 " XBD=2486 XHG=2313 YBD=866 YHG=835>followed " XBD=2553 XHG=2501 YBD=874 YHG=835>by" XBD=1397 XHG=1374 YBD=909 YHG=888>a " XBD=1566 XHG=1424 YBD=910 YHG=879>decline " XBD=1633 XHG=1592 YBD=910 YHG=880>to " XBD=1779 XHG=1660 YBD=909 YHG=878>about " XBD=1871 XHG=1805 YBD=910 YHG=879>the " XBD=2047 XHG=1895 YBD=918 YHG=880>present " XBD=2250 XHG=2073 YBD=911 YHG=880>numbers " XBD=2386 XHG=2276 YBD=920 YHG=879>again " XBD=2464 XHG=2412 YBD=918 YHG=879>by " XBD=2556 XHG=2488 YBD=910 YHG=879>the" XBD=1465 XHG=1374 YBD=963 YHG=932>year " XBD=1592 XHG=1487 YBD=954 YHG=923>2000. " XBD=1722 XHG=1644 YBD=953 YHG=922>The " XBD=1821 XHG=1743 YBD=953 YHG=932>war " XBD=1928 XHG=1841 YBD=959 YHG=922>will, " XBD=2000 XHG=1951 YBD=953 YHG=931>no " XBD=2155 XHG=2023 YBD=959 YHG=923>doubt, " XBD=2341 XHG=2177 YBD=963 YHG=923>produce " XBD=2554 XHG=2363 YBD=954 YHG=923>unknown" XBD=1504 XHG=1374 YBD=998 YHG=966>effects " XBD=1598 XHG=1528 YBD=997 YHG=966>but " XBD=1653 XHG=1622 YBD=997 YHG=967>it " XBD=1709 XHG=1677 YBD=997 YHG=966>is " XBD=1825 XHG=1733 YBD=1006 YHG=976>very " XBD=2030 XHG=1849 YBD=1005 YHG=966>unlikely; " XBD=2244 XHG=2052 YBD=998 YHG=956>whatever " XBD=2360 XHG=2267 YBD=1006 YHG=967>they " XBD=2442 XHG=2383 YBD=1002 YHG=967>be, " XBD=2554 XHG=2468 YBD=997 YHG=967>that" XBD=1468 XHG=1374 YBD=1049 YHG=1006>they " XBD=1561 XHG=1484 YBD=1041 YHG=1010>will " XBD=1627 XHG=1579 YBD=1041 YHG=1011>do " XBD=1749 XHG=1647 YBD=1041 YHG=1019>more " XBD=1862 XHG=1768 YBD=1041 YHG=1010>than " XBD=2026 XHG=1881 YBD=1049 YHG=1009>modify " XBD=2110 XHG=2044 YBD=1041 YHG=1010>the " XBD=2213 XHG=2128 YBD=1042 YHG=1019>now " XBD=2409 XHG=2229 YBD=1050 YHG=1010>probable " XBD=2553 XHG=2429 YBD=1041 YHG=1011>demo-|>" XBD=1529 XHG=1374 YBD=1095 YHG=1054>graphic " XBD=1709 XHG=1546 YBD=1094 YHG=1055>changes " XBD=1767 XHG=1728 YBD=1085 YHG=1054>in " XBD=2174 XHG=1785 YBD=1094 YHG=1054>prospect-namely, " XBD=2218 XHG=2194 YBD=1084 YHG=1064>a " XBD=2383 XHG=2236 YBD=1085 YHG=1054>further " XBD=2555 XHG=2401 YBD=1095 YHG=1053>slowing" XBD=1486 XHG=1374 YBD=1131 YHG=1079>down " XBD=1538 XHG=1497 YBD=1130 YHG=1099>of " XBD=1614 XHG=1547 YBD=1129 YHG=1099>the " XBD=1707 XHG=1624 YBD=1129 YHG=1099>rate " XBD=1759 XHG=1719 YBD=1129 YHG=1098>of " XBD=1921 XHG=1769 YBD=1129 YHG=1097>natural " XBD=2106 XHG=1930 YBD=1133 YHG=1098>increase, " XBD=2168 XHG=2119 YBD=1128 YHG=1107>an " XBD=2360 XHG=2180 YBD=1129 YHG=1098>eventual " XBD=2554 XHG=2371 YBD=1130 YHG=1080>cessation" XBD=1414 XHG=1376 YBD=1174 YHG=1143>of " XBD=1659 XHG=1435 YBD=1183 YHG=1143>population " XBD=1827 XHG=1679 YBD=1183 YHG=1143>growth " XBD=1892 XHG=1850 YBD=1173 YHG=1151>or " XBD=2008 XHG=1914 YBD=1173 YHG=1151>even " XBD=2052 XHG=2030 YBD=1172 YHG=1151>a " XBD=2229 XHG=2073 YBD=1178 YHG=1141>decline, " XBD=2376 XHG=2253 YBD=1173 YHG=1142>and*a " XBD=2555 XHG=2399 YBD=1174 YHG=1142>marked" XBD=1518 XHG=1376 YBD=1227 YHG=1186>change " XBD=1575 XHG=1535 YBD=1218 YHG=1187>in " XBD=1659 XHG=1593 YBD=1218 YHG=1187>the " XBD=2005 XHG=1677 YBD=1227 YHG=1186>age-distribution " XBD=2114 XHG=2022 YBD=1216 YHG=1185>with " XBD=2161 XHG=2139 YBD=1216 YHG=1195>a " XBD=2334 XHG=2179 YBD=1217 YHG=1185>relative " XBD=2428 XHG=2353 YBD=1217 YHG=1186>and " XBD=2553 XHG=2446 YBD=1217 YHG=1186>abso-" XBD=1452 XHG=1372 YBD=1261 YHG=1231>lute " XBD=1630 XHG=1465 YBD=1262 YHG=1231>increase " XBD=1680 XHG=1642 YBD=1261 YHG=1231>in " XBD=1871 XHG=1694 YBD=1261 YHG=1231>numbers " XBD=1924 XHG=1885 YBD=1272 YHG=1230>in " XBD=2003 XHG=1936 YBD=1261 YHG=1230>the " XBD=2118 XHG=2015 YBD=1260 YHG=1229>older " XBD=2228 XHG=2130 YBD=1270 YHG=1239>ages. " XBD=2353 XHG=2264 YBD=1260 YHG=1229>This " XBD=2552 XHG=2365 YBD=1269 YHG=1232>prospect," XBD=1415 XHG=1373 YBD=1305 YHG=1284>as " XBD=1467 XHG=1428 YBD=1305 YHG=1274>in " XBD=1550 XHG=1481 YBD=1305 YHG=1284>our " XBD=1736 XHG=1564 YBD=1313 YHG=1276>country, " XBD=1783 XHG=1752 YBD=1305 YHG=1274>is " XBD=1968 XHG=1797 YBD=1305 YHG=1268>inherent " XBD=2022 XHG=1982 YBD=1304 YHG=1274>in " XBD=2101 XHG=2035 YBD=1304 YHG=1273>the " XBD=2266 XHG=2115 YBD=1313 YHG=1274>present " XBD=2348 XHG=2281 YBD=1313 YHG=1282>age " XBD=2551 XHG=2363 YBD=1304 YHG=1275>structure" XBD=1449 XHG=1373 YBD=1349 YHG=1318>and " XBD=1751 XHG=1463 YBD=1359 YHG=1318>fertility-rates. " XBD=1881 XHG=1802 YBD=1349 YHG=1318>The " XBD=1992 XHG=1895 YBD=1350 YHG=1317>USA " XBD=2036 XHG=2006 YBD=1349 YHG=1317>is " XBD=2251 XHG=2050 YBD=1358 YHG=1317>travelling " XBD=2328 XHG=2263 YBD=1348 YHG=1317>the " XBD=2446 XHG=2344 YBD=1348 YHG=1326>same " XBD=2608 XHG=2461 YBD=1348 YHG=1318>road" XBD=1444 XHG=1373 YBD=1393 YHG=1362>but " XBD=1491 XHG=1460 YBD=1393 YHG=1363>is " XBD=1576 XHG=1508 YBD=1393 YHG=1365>not " XBD=1698 XHG=1594 YBD=1402 YHG=1363>quite " XBD=1754 XHG=1714 YBD=1393 YHG=1372>so " XBD=1830 XHG=1771 YBD=1393 YHG=1363>far " XBD=1957 XHG=1846 YBD=1403 YHG=1362>along " XBD=2014 XHG=1971 YBD=1393 YHG=1362>it.

ANÆSTHETICS NEAR X RAY APPARATUS

" XBD=1686 XHG=1422 YBD=1542 YHG=1511>ANESTHETIC " XBD=1929 XHG=1717 YBD=1550 YHG=1510>explosions " XBD=2092 XHG=1958 YBD=1551 YHG=1510>during " XBD=2382 XHG=2118 YBD=1551 YHG=1510>radiography, " XBD=2555 XHG=2411 YBD=1552 YHG=1511>though" XBD=1468 XHG=1375 YBD=1595 YHG=1565>very " XBD=1585 XHG=1490 YBD=1591 YHG=1564>rare, " XBD=1708 XHG=1609 YBD=1586 YHG=1555>have " XBD=1827 XHG=1732 YBD=1586 YHG=1555>been " XBD=2076 XHG=1850 YBD=1595 YHG=1555>sufficiently " XBD=2304 XHG=2100 YBD=1586 YHG=1554>disastrous " XBD=2368 XHG=2327 YBD=1585 YHG=1556>to " XBD=2555 XHG=2392 YBD=1586 YHG=1557>warrant" XBD=1516 XHG=1375 YBD=1630 YHG=1600>serious " XBD=1722 XHG=1531 YBD=1630 YHG=1599>attention " XBD=1789 XHG=1737 YBD=1638 YHG=1598>by " XBD=1990 XHG=1804 YBD=1638 YHG=1600>everyone " XBD=2211 XHG=2005 YBD=1631 YHG=1599>concerned " XBD=2265 XHG=2225 YBD=1630 YHG=1599>in " XBD=2344 XHG=2279 YBD=1630 YHG=1598>the " XBD=2554 XHG=2360 YBD=1639 YHG=1599>operation" XBD=1414 XHG=1375 YBD=1674 YHG=1644>of " XBD=1554 XHG=1430 YBD=1683 YHG=1643>X-ray " XBD=1802 XHG=1570 YBD=1683 YHG=1643>equipment. " XBD=1959 XHG=1853 YBD=1683 YHG=1642>They " XBD=2072 XHG=1973 YBD=1674 YHG=1643>form " XBD=2235 XHG=2087 YBD=1674 YHG=1643>a-small " XBD=2319 XHG=2249 YBD=1674 YHG=1643>but " XBD=2385 XHG=2336 YBD=1674 YHG=1652>an " XBD=2554 XHG=2400 YBD=1684 YHG=1644>import-" XBD=1443 XHG=1376 YBD=1719 YHG=1689>ant " XBD=1605 XHG=1461 YBD=1719 YHG=1687>section " XBD=1662 XHG=1623 YBD=1718 YHG=1687>of " XBD=1745 XHG=1678 YBD=1718 YHG=1686>the " XBD=1929 XHG=1763 YBD=1728 YHG=1687>mishaps " XBD=2068 XHG=1944 YBD=1719 YHG=1687>which " XBD=2151 XHG=2084 YBD=1719 YHG=1687>the " XBD=2341 XHG=2167 YBD=1728 YHG=1687>Ministry " XBD=2398 XHG=2359 YBD=1719 YHG=1688>of " XBD=2556 XHG=2416 YBD=1719 YHG=1688>Health" XBD=1404 XHG=1373 YBD=1762 YHG=1732>is " XBD=1547 XHG=1419 YBD=1772 YHG=1732>trying " XBD=1601 XHG=1560 YBD=1763 YHG=1733>to " XBD=1723 XHG=1616 YBD=1770 YHG=1732>avert " XBD=1791 XHG=1738 YBD=1771 YHG=1731>by " XBD=1854 XHG=1804 YBD=1763 YHG=1731>its " XBD=2046 XHG=1877 YBD=1772 YHG=1731>warning " XBD=2183 XHG=2058 YBD=1763 YHG=1732>notice " XBD=2347 XHG=2196 YBD=1772 YHG=1732>printed " XBD=2420 XHG=2372 YBD=1763 YHG=1741>on " XBD=2555 XHG=2444 YBD=1772 YHG=1734>p. 57." XBD=1547 XHG=1376 YBD=1813 YHG=1775>Greene,l " XBD=1874 XHG=1570 YBD=1807 YHG=1775>an anaesthetist " XBD=1938 XHG=1898 YBD=1807 YHG=1776>in " XBD=2055 XHG=1961 YBD=1807 YHG=1776>New " XBD=2189 XHG=2074 YBD=1813 YHG=1776>York, " XBD=2389 XHG=2210 YBD=1807 YHG=1772>collected " XBD=2555 XHG=2407 YBD=1807 YHG=1776>records" XBD=1417 XHG=1377 YBD=1850 YHG=1819>of " XBD=1479 XHG=1436 YBD=1851 YHG=1821>10 " XBD=1707 XHG=1494 YBD=1859 YHG=1819>explosions " XBD=1799 XHG=1723 YBD=1851 YHG=1820>and " XBD=1899 XHG=1814 YBD=1851 YHG=1820>fires " XBD=1954 XHG=1915 YBD=1850 YHG=1820>of |>" XBD=2188 XHG=1969 YBD=1851 YHG=1820>anaesthetic " XBD=2335 XHG=2204 YBD=1860 YHG=1821>agents " XBD=2487 XHG=2351 YBD=1851 YHG=1820>caused " XBD=2555 XHG=2503 YBD=1859 YHG=1821>by" XBD=1500 XHG=1376 YBD=1903 YHG=1863>X-ray " XBD=1743 XHG=1512 YBD=1903 YHG=1864>equipment, " XBD=1833 XHG=1757 YBD=1895 YHG=1864>and " XBD=1891 XHG=1843 YBD=1895 YHG=1864>he " XBD=2006 XHG=1901 YBD=1904 YHG=1864>gives " XBD=2082 XHG=2016 YBD=1896 YHG=1864>the " XBD=2281 XHG=2092 YBD=1905 YHG=1864>following |>" XBD=2507 XHG=2292 YBD=1896 YHG=1864>conditions " XBD=2555 XHG=2515 YBD=1895 YHG=1874>as" XBD=1573 XHG=1376 YBD=1948 YHG=1915>necessary " XBD=1639 XHG=1598 YBD=1939 YHG=1909>to " XBD=1763 XHG=1665 YBD=1939 YHG=1909>start " XBD=1837 XHG=1788 YBD=1939 YHG=1918>an " XBD=2055 XHG=1863 YBD=1949 YHG=1908>explosion " XBD=2122 XHG=2081 YBD=1939 YHG=1918>or " XBD=2283 XHG=2145 YBD=1940 YHG=1908>fire-a " XBD=2556 XHG=2309 YBD=1939 YHG=1908>combustible" XBD=1489 XHG=1377 YBD=1992 YHG=1953>agent " XBD=1626 XHG=1523 YBD=1984 YHG=1954>must " XBD=1704 XHG=1657 YBD=1984 YHG=1952>be " XBD=1865 XHG=1736 YBD=1984 YHG=1952>mixed " XBD=1935 XHG=1894 YBD=1985 YHG=1953>in " XBD=2108 XHG=1966 YBD=1984 YHG=1953>certain " XBD=2376 XHG=2138 YBD=1993 YHG=1952>proportions " XBD=2500 XHG=2407 YBD=1984 YHG=1953>with " XBD=2555 XHG=2533 YBD=1983 YHG=1962>a" XBD=1507 XHG=1378 YBD=2027 YHG=2005>source " XBD=1573 XHG=1533 YBD=2027 YHG=1997>of " XBD=1746 XHG=1599 YBD=2036 YHG=2006>oxygen " XBD=1811 XHG=1772 YBD=2027 YHG=1996>in " XBD=1903 XHG=1836 YBD=2027 YHG=1997>the " XBD=2102 XHG=1927 YBD=2037 YHG=2006>presence " XBD=2168 XHG=2128 YBD=2027 YHG=1998>of " XBD=2280 XHG=2191 YBD=2029 YHG=1997>heat " XBD=2346 XHG=2308 YBD=2027 YHG=1997>of " XBD=2555 XHG=2371 YBD=2028 YHG=1997>sufficient" XBD=1521 XHG=1377 YBD=2080 YHG=2040>degree. " XBD=1651 XHG=1572 YBD=2071 YHG=2039>The " XBD=1783 XHG=1666 YBD=2072 YHG=2040>limits " XBD=1839 XHG=1799 YBD=2071 YHG=2041>of " XBD=2158 XHG=1853 YBD=2080 YHG=2040>inflammability " XBD=2213 XHG=2173 YBD=2071 YHG=2041>of " XBD=2278 XHG=2228 YBD=2071 YHG=2040>all " XBD=2358 XHG=2293 YBD=2071 YHG=2040>the " XBD=2557 XHG=2373 YBD=2080 YHG=2040>principal" XBD=1627 XHG=1377 YBD=2115 YHG=2084>combustible " XBD=1796 XHG=1642 YBD=2116 YHG=2084>volatile " XBD=2048 XHG=1811 YBD=2116 YHG=2085>anaesthetics " XBD=2126 XHG=2064 YBD=2116 YHG=2094>are " XBD=2272 XHG=2139 YBD=2116 YHG=2084>within " XBD=2353 XHG=2287 YBD=2115 YHG=2084>the " XBD=2499 XHG=2367 YBD=2125 YHG=2093>ranges " XBD=2555 XHG=2515 YBD=2115 YHG=2084>of" XBD=1524 XHG=1377 YBD=2169 YHG=2138>vapour " XBD=1831 XHG=1546 YBD=2160 YHG=2129>concentration " XBD=1945 XHG=1851 YBD=2161 YHG=2129>used " XBD=2006 XHG=1965 YBD=2161 YHG=2129>in " XBD=2174 XHG=2028 YBD=2161 YHG=2129>clinical " XBD=2427 XHG=2195 YBD=2160 YHG=2128>anaesthesia. " XBD=2557 XHG=2478 YBD=2160 YHG=2129>The" XBD=1444 XHG=1377 YBD=2204 YHG=2182>use " XBD=1501 XHG=1459 YBD=2203 YHG=2172>of " XBD=1567 XHG=1512 YBD=2203 YHG=2172>air " XBD=1731 XHG=1580 YBD=2203 YHG=2173>instead " XBD=1784 XHG=1745 YBD=2204 YHG=2173>of |>" XBD=1945 XHG=1798 YBD=2213 YHG=2182>oxygen " XBD=2122 XHG=1959 YBD=2204 YHG=2182>narrows " XBD=2201 XHG=2136 YBD=2204 YHG=2173>the " XBD=2329 XHG=2215 YBD=2212 YHG=2182>range " XBD=2383 XHG=2344 YBD=2203 YHG=2173>of " XBD=2557 XHG=2395 YBD=2212 YHG=2173>possible" XBD=1630 XHG=1379 YBD=2253 YHG=2216>combustion, " XBD=1725 XHG=1649 YBD=2248 YHG=2217>and " XBD=1932 XHG=1743 YBD=2248 YHG=2217>decreases " XBD=2015 XHG=1948 YBD=2248 YHG=2217>the " XBD=2198 XHG=2031 YBD=2247 YHG=2217>violence " XBD=2254 XHG=2215 YBD=2247 YHG=2217>of " XBD=2464 XHG=2271 YBD=2256 YHG=2216>explosion " XBD=2557 XHG=2481 YBD=2247 YHG=2217>and" XBD=1445 XHG=1378 YBD=2291 YHG=2260>the " XBD=1629 XHG=1461 YBD=2292 YHG=2260>distance " XBD=1685 XHG=1645 YBD=2292 YHG=2261>of " XBD=1946 XHG=1697 YBD=2301 YHG=2261>propagation " XBD=2002 XHG=1962 YBD=2291 YHG=2261>of " XBD=2038 XHG=2016 YBD=2291 YHG=2269>a " XBD=2176 XHG=2052 YBD=2296 YHG=2260>flame, " XBD=2356 XHG=2191 YBD=2291 YHG=2261>whereas " XBD=2436 XHG=2371 YBD=2292 YHG=2260>the " XBD=2556 XHG=2452 YBD=2292 YHG=2261>addi-" XBD=1461 XHG=1378 YBD=2336 YHG=2305>tion " XBD=1524 XHG=1484 YBD=2335 YHG=2305>of " XBD=1696 XHG=1550 YBD=2336 YHG=2305>nitrous " XBD=1830 XHG=1720 YBD=2336 YHG=2305>oxide " XBD=2033 XHG=1851 YBD=2336 YHG=2305>increases " XBD=2131 XHG=2065 YBD=2335 YHG=2304>the " XBD=2272 XHG=2158 YBD=2345 YHG=2314>range " XBD=2371 XHG=2295 YBD=2335 YHG=2304>and " XBD=2493 XHG=2392 YBD=2336 YHG=2299>force " XBD=2557 XHG=2517 YBD=2336 YHG=2305>of" XBD=1572 XHG=1379 YBD=2389 YHG=2349>explosion " XBD=1703 XHG=1608 YBD=2381 YHG=2359>even " XBD=1840 XHG=1738 YBD=2380 YHG=2358>more " XBD=1969 XHG=1874 YBD=2379 YHG=2349>than " XBD=2094 XHG=2005 YBD=2380 YHG=2349>does " XBD=2288 XHG=2129 YBD=2389 YHG=2358>oxygen. " XBD=2559 XHG=2337 YBD=2380 YHG=2347>Additional" XBD=1519 XHG=1377 YBD=2424 YHG=2394>factors " XBD=1750 XHG=1549 YBD=2433 YHG=2394>favouring |>" XBD=2000 XHG=1780 YBD=2423 YHG=2393>anaesthetic " XBD=2114 XHG=2029 YBD=2423 YHG=2393>fires " XBD=2222 XHG=2146 YBD=2423 YHG=2392>and " XBD=2464 XHG=2253 YBD=2432 YHG=2392>explosions " XBD=2558 XHG=2496 YBD=2424 YHG=2402>are" XBD=1575 XHG=1377 YBD=2468 YHG=2438>restricted " XBD=1820 XHG=1594 YBD=2468 YHG=2437>ventilation " XBD=1880 XHG=1840 YBD=2467 YHG=2437>of " XBD=1964 XHG=1898 YBD=2467 YHG=2436>the " XBD=2089 XHG=1983 YBD=2467 YHG=2445>room " XBD=2185 XHG=2109 YBD=2467 YHG=2437>and " XBD=2317 XHG=2204 YBD=2467 YHG=2437>static " XBD=2556 XHG=2338 YBD=2476 YHG=2436>electricity," XBD=1500 XHG=1377 YBD=2513 YHG=2482>which " XBD=1561 XHG=1515 YBD=2527 YHG=2481>is " XBD=1709 XHG=1593 YBD=2520 YHG=2481>easily " XBD=1929 XHG=1737 YBD=2520 YHG=2480>produced " XBD=2025 XHG=1960 YBD=2527 YHG=2490>on - " XBD=2104 XHG=2038 YBD=2510 YHG=2480>the " XBD=2338 XHG=2133 YBD=2520 YHG=2480>insulating " XBD=2558 XHG=2351 YBD=2527 YHG=2481>materials" XBD=1568 XHG=1379 YBD=2565 YHG=2527>generally " XBD=1883 XHG=1596 YBD=2555 YHG=2527>recommended " XBD=1969 XHG=1910 YBD=2554 YHG=2527>for " XBD=2063 XHG=1998 YBD=2555 YHG=2527>the " XBD=2202 XHG=2091 YBD=2555 YHG=2527>iloors " XBD=2271 XHG=2232 YBD=2555 YHG=2527>of " XBD=2559 XHG=2298 YBD=2565 YHG=2527>radiographic" XBD=1517 XHG=1379 YBD=2600 YHG=2579>rooms. " XBD=1613 XHG=1568 YBD=2599 YHG=2569>In " XBD=1702 XHG=1636 YBD=2599 YHG=2568>the " XBD=1827 XHG=1725 YBD=2599 YHG=2577>cases " XBD=1993 XHG=1852 YBD=2599 YHG=2568>Greene " XBD=2207 XHG=2016 YBD=2604 YHG=2568>collected, " XBD=2298 XHG=2232 YBD=2599 YHG=2568>the " XBD=2558 XHG=2320 YBD=2599 YHG=2569>anaesthetics" XBD=1580 XHG=1381 YBD=2653 YHG=2613>employed " XBD=1687 XHG=1592 YBD=2643 YHG=2622>were " XBD=1806 XHG=1701 YBD=2642 YHG=2612>ether " XBD=1858 XHG=1820 YBD=2650 YHG=2613>(8 " XBD=1988 XHG=1871 YBD=2651 YHG=2614>cases) " XBD=2078 XHG=2002 YBD=2642 YHG=2612>and " XBD=2363 XHG=2091 YBD=2651 YHG=2611>cyclopropane " XBD=2413 XHG=2377 YBD=2651 YHG=2612>(2 " XBD=2557 XHG=2427 YBD=2652 YHG=2615>cases)." XBD=1571 XHG=1382 YBD=2687 YHG=2657>Ether-air " XBD=1815 XHG=1594 YBD=2686 YHG=2655>anaesthesia " XBD=1890 XHG=1837 YBD=2694 YHG=2655>by " XBD=1976 XHG=1910 YBD=2686 YHG=2655>the " XBD=2205 XHG=1998 YBD=2695 YHG=2655>open-drop " XBD=2384 XHG=2228 YBD=2686 YHG=2655>method " XBD=2436 XHG=2404 YBD=2687 YHG=2656>is " XBD=2555 XHG=2459 YBD=2686 YHG=2666>com-" XBD=1593 XHG=1380 YBD=2740 YHG=2700>paratively " XBD=1700 XHG=1610 YBD=2734 YHG=2700>safe, " XBD=1877 XHG=1717 YBD=2730 YHG=2699>because " XBD=1988 XHG=1893 YBD=2729 YHG=2708>even " XBD=2033 XHG=2003 YBD=2729 YHG=2699>if " XBD=2072 XHG=2049 YBD=2729 YHG=2708>a " XBD=2153 XHG=2087 YBD=2729 YHG=2698>fire " XBD=2285 XHG=2170 YBD=2730 YHG=2701>starts " XBD=2366 XHG=2300 YBD=2730 YHG=2699>the " XBD=2560 XHG=2384 YBD=2730 YHG=2699>ether-air" XBD=1510 XHG=1380 YBD=2774 YHG=2744>flames " XBD=1587 XHG=1525 YBD=2774 YHG=2753>are " XBD=1668 XHG=1600 YBD=2773 YHG=2744>not " XBD=1916 XHG=1681 YBD=2782 YHG=2743>propagated " XBD=2010 XHG=1929 YBD=2773 YHG=2742>into " XBD=2090 XHG=2024 YBD=2773 YHG=2743>the " XBD=2467 XHG=2103 YBD=2774 YHG=2737>tracheo-bronchial " XBD=2559 XHG=2480 YBD=2774 YHG=2743>tree" XBD=1421 XHG=1381 YBD=2818 YHG=2788>of " XBD=1509 XHG=1443 YBD=2818 YHG=2787>the " XBD=1705 XHG=1531 YBD=2826 YHG=2787>patient ; " XBD=1782 XHG=1742 YBD=2817 YHG=2786>in " XBD=1828 XHG=1807 YBD=2817 YHG=2787>3 " XBD=2029 XHG=1852 YBD=2817 YHG=2786>ether-air " XBD=2242 XHG=2052 YBD=2817 YHG=2782>accidents " XBD=2370 XHG=2264 YBD=2818 YHG=2786>there " XBD=2487 XHG=2392 YBD=2818 YHG=2797>were " XBD=2559 XHG=2510 YBD=2817 YHG=2796>no" XBD=1546 XHG=1380 YBD=2871 YHG=2831>injuries. " XBD=1657 XHG=1600 YBD=2860 YHG=2830>On " XBD=1746 XHG=1679 YBD=2861 YHG=2830>the " XBD=1878 XHG=1770 YBD=2860 YHG=2829>other " XBD=2015 XHG=1899 YBD=2866 YHG=2829>hand, " XBD=2158 XHG=2039 YBD=2865 YHG=2829>ether, " XBD=2326 XHG=2181 YBD=2861 YHG=2830>nitrous " XBD=2460 XHG=2351 YBD=2861 YHG=2830>oxide " XBD=2559 XHG=2484 YBD=2861 YHG=2827>and" XBD=1541 XHG=1382 YBD=2914 YHG=2884>oxygen, " XBD=1668 XHG=1557 YBD=2915 YHG=2875>given " XBD=1735 XHG=1681 YBD=2913 YHG=2874>by " XBD=1772 XHG=1750 YBD=2904 YHG=2883>a " XBD=1925 XHG=1786 YBD=2914 YHG=2874>partial " XBD=2178 XHG=1937 YBD=2914 YHG=2873>rebreathing " XBD=2405 XHG=2191 YBD=2914 YHG=2874>technique, " XBD=2452 XHG=2421 YBD=2905 YHG=2875>is " XBD=2559 XHG=2467 YBD=2914 YHG=2884>very" XBD=1615 XHG=1382 YBD=2958 YHG=2919>dangerous ; " XBD=1670 XHG=1650 YBD=2947 YHG=2919>2 " XBD=1791 XHG=1690 YBD=2948 YHG=2924>cases " XBD=1908 XHG=1811 YBD=2953 YHG=2918>died, " XBD=2043 XHG=1928 YBD=2948 YHG=2917>and 2 " XBD=2189 XHG=2063 YBD=2949 YHG=2918>others " XBD=2400 XHG=2207 YBD=2949 YHG=2919>sustained " XBD=2557 XHG=2418 YBD=2949 YHG=2919>serious" XBD=1547 XHG=1381 YBD=3002 YHG=2962>injuries. " XBD=2043 XHG=1599 YBD=3001 YHG=2961>Cyclopropane-oxygen " XBD=2293 XHG=2072 YBD=2993 YHG=2962>anaesthesia " XBD=2430 XHG=2319 YBD=3001 YHG=2962>given " XBD=2510 XHG=2457 YBD=3001 YHG=2962>by " XBD=2559 XHG=2538 YBD=2992 YHG=2971>a" XBD=1505 XHG=1382 YBD=3037 YHG=3006>closed " XBD=1655 XHG=1524 YBD=3036 YHG=3006>circuit " XBD=1703 XHG=1672 YBD=3036 YHG=3006>is " XBD=1798 XHG=1722 YBD=3035 YHG=3005>also " XBD=2051 XHG=1818 YBD=3044 YHG=3005>dangerous ; " XBD=2123 XHG=2084 YBD=3035 YHG=3005>in " XBD=2211 XHG=2141 YBD=3036 YHG=3015>one " XBD=2312 XHG=2229 YBD=3036 YHG=3015>case " XBD=2394 XHG=2328 YBD=3036 YHG=3005>the " XBD=2559 XHG=2411 YBD=3044 YHG=3006>patient" XBD=1574 XHG=1381 YBD=3080 YHG=3049>sustained " XBD=1613 XHG=1591 YBD=3079 YHG=3058>a " XBD=1743 XHG=1630 YBD=3088 YHG=3049>slight " XBD=1856 XHG=1759 YBD=3079 YHG=3048>burn " XBD=1922 XHG=1874 YBD=3078 YHG=3058>on " XBD=2004 XHG=1937 YBD=3079 YHG=3048>the " XBD=2135 XHG=2020 YBD=3080 YHG=3048>cheek " XBD=2227 XHG=2152 YBD=3079 YHG=3050>and " XBD=2308 XHG=2243 YBD=3079 YHG=3049>the " XBD=2594 XHG=2324 YBD=3079 YHG=3049>anaesthetist" XBD=1403 XHG=1381 YBD=3123 YHG=3103>a " XBD=1566 XHG=1427 YBD=3123 YHG=3093>serious " XBD=1729 XHG=1590 YBD=3132 YHG=3092>injury, " XBD=1862 XHG=1753 YBD=3123 YHG=3091>while " XBD=1924 XHG=1885 YBD=3122 YHG=3092>in " XBD=2107 XHG=1948 YBD=3124 YHG=3092>another " XBD=2151 XHG=2131 YBD=3121 YHG=3093>2 " XBD=2372 XHG=2176 YBD=3123 YHG=3093>assistants " XBD=2471 XHG=2396 YBD=3122 YHG=3092>and " XBD=2559 XHG=2493 YBD=3122 YHG=3093>the|>" XBD=1616 XHG=1382 YBD=3167 YHG=3136>anaesthetist " XBD=1728 XHG=1651 YBD=3167 YHG=3136>had " XBD=1875 XHG=1762 YBD=3176 YHG=3135>slight " XBD=2036 XHG=1909 YBD=3168 YHG=3136>burns. " XBD=2166 XHG=2087 YBD=3167 YHG=3136>The " XBD=2486 XHG=2200 YBD=3167 YHG=3137>circumstances " XBD=2559 XHG=2521 YBD=3166 YHG=3136>in" XBD=1502 XHG=1379 YBD=3211 YHG=3180>which " XBD=1556 XHG=1534 YBD=3210 YHG=3190>a " XBD=1653 XHG=1587 YBD=3210 YHG=3180>fire " XBD=1726 XHG=1685 YBD=3210 YHG=3190>or " XBD=1950 XHG=1758 YBD=3219 YHG=3180>explosion " XBD=2159 XHG=1983 YBD=3211 YHG=3180>occurred " XBD=2284 XHG=2189 YBD=3210 YHG=3190>were " XBD=2559 XHG=2315 YBD=3218 YHG=3179>fluoroscopic" XBD=1658 XHG=1382 YBD=3254 YHG=3224>examinations " XBD=1738 XHG=1679 YBD=3254 YHG=3224>for " XBD=1826 XHG=1760 YBD=3255 YHG=3223>the " XBD=2016 XHG=1848 YBD=3255 YHG=3224>removal " XBD=2077 XHG=2037 YBD=3255 YHG=3224>of " XBD=2121 XHG=2099 YBD=3254 YHG=3234>a " XBD=2284 XHG=2142 YBD=3263 YHG=3224>foreign " XBD=2409 XHG=2307 YBD=3262 YHG=3223>body " XBD=2473 XHG=2432 YBD=3253 YHG=3232>or " XBD=2560 XHG=2495 YBD=3254 YHG=3223>the" XBD=1523 XHG=1382 YBD=3306 YHG=3267>setting " XBD=1576 XHG=1537 YBD=3297 YHG=3267>of " XBD=1612 XHG=1591 YBD=3297 YHG=3276>a " XBD=1803 XHG=1627 YBD=3303 YHG=3267>fracture, " XBD=1908 XHG=1821 YBD=3304 YHG=3268>and, " XBD=1963 XHG=1923 YBD=3298 YHG=3268>in " XBD=2048 XHG=1979 YBD=3298 YHG=3277>one " XBD=2158 XHG=2064 YBD=3303 YHG=3276>case, " XBD=2310 XHG=2176 YBD=3306 YHG=3267>during " XBD=2558 XHG=2323 YBD=3306 YHG=3267>therapeutic" XBD=1601 XHG=1380 YBD=3341 YHG=3310>irradiation " XBD=1723 XHG=1626 YBD=3341 YHG=3311>after " XBD=1899 XHG=1740 YBD=3352 YHG=3312>surgical " XBD=2097 XHG=1915 YBD=3351 YHG=3321>exposure " XBD=2153 XHG=2114 YBD=3341 YHG=3312>of " XBD=2191 XHG=2169 YBD=3340 YHG=3320>a " XBD=2418 XHG=2208 YBD=3341 YHG=3311>carcinoma " XBD=2475 XHG=2436 YBD=3341 YHG=3312>of " XBD=2620 XHG=2494 YBD=3348 YHG=3312>the" XBD=1564 XHG=1380 YBD=3384 YHG=3354>stomach. " XBD=1663 XHG=1617 YBD=3385 YHG=3355>In " XBD=1769 XHG=1692 YBD=3386 YHG=3355>this " XBD=1972 XHG=1799 YBD=3394 YHG=3357>country, " XBD=2069 XHG=2004 YBD=3385 YHG=3355>the " XBD=2265 XHG=2098 YBD=3394 YHG=3355>problem " XBD=2364 XHG=2296 YBD=3385 YHG=3355>has " XBD=2561 XHG=2394 YBD=3394 YHG=3355>recently

1. Greene, B. A. Amer. J. Roentgenol. 1941, 45, 737.