TABLE OF CONTENTS

Introduction of the Keynote Speaker William G. Padolina .............................................................................. .

Keynote Address Salvador H. Laurel......... ... ... ............................. ......... ............................ 3

PLENARY SESSION I

A Century of Public Health in the Philippines Teodora V. Tiglao .......... .... ....... ..... ................. .............. ........ ........ 7

The Philippine Public Health in the Last 100 Years Manuel M. Dayrit ............ .......................... ...... ...... ....... ...... ....... .... 34

Social Science and Public Health in the Philippine Context Elizabeth R. Ventura ....................... ...................... ........ ................ 36

PLENARY SESSION n Environmental Health: Past. Present and Future

Elma B. Torres ................... .... .................. .......................... ......... ... 39

PLENARY SESSION ill

An Overview on Clinical Pedriatrics in the Philippines Simona C. Alikpala ....................................................................... 65

100 Years of Internal Medicine in the Philippines Cecil Z Tady ............................................... .................................. 70

Surgery Today Towards Tomorrow Fernando L Lopez ........................................................................ 75

PLENARY SESSION IV

Medical Education in the Philippines Paulo C. Campos and Amelia Fernandez..................................... 79

An Overview on Medical Education Ramon L Sin ................................................................................. 93

An Overview on Medical Education Felicidad G. Cua-Lim................................................ .................... 95

SCIENTIFIC PAPERS

AGRICULTURAL SCIENCES

lmproving Quality and Shelf Life of Vegetables and Fruits by Evaporative Cooling Storage Antonio L. Acedo. Jr. ..................................................................... 97

Comparison Between Acupuncture Analgesia and Xylazine­Ketamine Anesthesia for Exploratory Laparotomy Jessie A. Aco,da. John P. Fragata and Conrado A. Valdez ........ 109

Philippine Fish Water Resources: Strategies for Sustainable Development Rafael D. Guerrero III ...... ...... ......... ......... ............. ..... ................... 120

Mycorrhizae from Selected Tree Species in Mt. Pansasugan, Leyte. Philippines and their Effect on Tree Growth Ruben M. Gapasin. Jesusito L. Lim and Carlito V. Ranches........ 126

Development of Plant Regeneration Systems in Avocado Persea americana Mill. Renato A. Avenido. Liza Farah A. Tisalona. and Evelyn Mae T. Mendoza ........................... ..................................... 135

BIOLOGICAL SCIENCES

Light Inhibition of Photobacterium leiognathi as Bioindicator of Heavy Metal Pollution Thomas Edison E. dela Cruz. Maripaz B. Ancheta Rosemarie P. Capaque. Arnel E. Mantes. and Ma. Estel/ita Perez.. ..... ..... ...... ........ .................... .......................... 143

Molecular Methods for Early Identification of Banana (Musa spp. AAA) Olivia P. Damasco. Ian D. Godwin. Robert J. Henry. Glen C. Graham. Steve W. Adkins. and Mike K. Smith ....... ..... .... lSI

Submerged Bath Fermentation of Critic Acid Production Using Aspergillus niger: Optimization and Kinetic Modelling Chay B. Pham. Raquel B. Marquez. and Jocelyn T. De Guzman ...... ... ...................... ......... ...... ....... ....... 166

Toxicological Studies on Philippine Natural Grade Carrageenan Quintin L Kintanar. Clara Y. Lim - Sylianco. Oscar G. Gutierrez. Jr .• Helen A. Molina. Ofelia M. Alba. Carlito J. Calderon. Evangeline P. Pagsanhan. J. Balboa. E. Serrame. E. Guantes. Erwina G. De Castro. Caroline Imelda B. Biares. Edgar L. Calbitaza. Yoshiaki Saitoh. and Kiyoshi lmai ............................................... 183

HEALTH SCIENCES

Seroepidemiology of Hepatitis A Virus Among Filipinos Living in Selected Communities in and Around Metro Manila Nina G. Barzaga. Ruth H. Florese, Jesusa R. Roxas. and Zoraida T. Francisco.. ... ..... .... .... ... ....... ......... ......... ........ ... .... ..... ... 209

Prescribing Patterns of Filipino Physicians for Community Acquired Pneumonia in Children Lulu C. Bravo and Jo- Anne J. Lobo ...... ........ ...... ................... ....... 2 17

Dyslipidaemia Among Filipino Children with Insulin -Dependent Diabetes Mellitus: Prevalence and Relation to Glycemic Control Virginia P. Crisostomo. Carmelita F. Domingo. Lorna T. Abad. Sioksoan Cua. Sylvia Estrada. and Joseph C. Pua. .............................. ......... ................. .................. ..... 229

Qualitative Characterization of Some Pathologic Corneal Diseases Using Contact Specular Microscopy Jose David F. Marin. Jr .• Evangeline Marion A. Abendanio. Rossina Lydia Alejo - Ramirez. and Salvador R. Salceda ............ 237

Evaluation of the Health Effects of Pesticide Use Among Laguna Farmers Cynthia Marquez. Prahbu Pingali. Flor Palis. Vicky Rodriguez and and MGP Ramos ......... .......... ...................... 243

MATHEMATICAL, PHYSICAL AND ENGINEERING SCIENCES

Improvement of Blum's Et. AI. Selection Algorithm Eliezer A. Albacea. ........................................................................ 257

The Belle Detector at the Kek B-Meson Factory Angelina M. Bacala ....................... ......... ...................... ...... .......... 269

A Combinatorial Approach to Spin Models Jose Maria P. Balmaceda ..................................................... ........ 275

Assessment of Influence in Factor Analysis Regression Zenaida F. Mateo .......................................................... ....... ...... ... 287

Preparation and Photoelectrochemical Characterization of a Conducting Polymer (Polyaniline) Doped with a Dye (Copper Phthaloccyanine Tetrasulfonate) Stephen R. Carino. Ishmael S. Ordonez and Florentino C. Sumera.......... .......... ............ .................................... 298

Delineation of the Subic Bay Fault Zone in Zambales. Luzon, Philippines Graciano P. Yumul Jr., Carla B. Dimalanta, Decibel V. Faustino and Joel V. De Jesus .................................... 311

SOCIAL SCIENCES

The Effects of Language Formation Mathematical Learning and Performance: An Information-Processing Perspective Allan B.I. Bernardo ................................................. ....... ... ............ 321

Locally-Developed Psychological Tests: A Critical Review Susan Cipres-Ortega and Ma. Angeles Guanzon-Lapena ... ........ 331

Resettlers Pampanga: Are They Finally Settled? Gloria Luz M. Nelson. Juliet C. Mallari, and George A. Garcia. 375

Individualism vs. Collectivism: Implications for Health Promotion Joy U. Pentecostes............................................. ............................ 397

POSTER ABSTRACTS Agricultural Sciences .............................................................................. 403 Biological Sciences .............................. .................................................. 43-9 Health Sciences ....................................................................................... 463 Mathematical, Physical and Engineering Sciences ......... .......... ............ 477 Social Sciences ....................................................................................... 50 I