Phil. Journal of Internal Medicine (Vol.31 No.4) Volume 31 Number 4 July - August 1993 Issue C O N T E N T S ORIGINAL ARTICLES Mild Rectal Bleeding: The Role of Proctosigmoidoscopy, Barlum Enema and Colonoscopy Benedicto V. Agbay, M.D., Jose D. Sollano, Jr., M.D., and Sol Z. Alvarez A Prospective Study on the Normal Distance of the Gastroesophageal Junction among Filipinos Sergio C. Alegarbes, M.D., Shawn Espina, M.D., and Judy Lao, M.D. Automatic Computation for the Composition of Parenteral Nutrition Fluids Ernesto P. Namin, M.D. Radioiodine Body Scan Versus Serum Thyroglobulin in the Follow-up of Patients with Thyroid Carcinoma Roberto C. Marisol, M.D., ElizabethT. Paz, M.D., Buena Domingo, M.D., Eizabeth C. Chua, M.D., Antonietta Santos-Sison, M.D., Mary Anne Lim-Abrahan, M.D., and Augusto D. Litonjua, M.D. Diabetic Autonomic Neuropathy Rene S.U. Cabato, M.D., and Mary Anne Lim-Abrahan, M.D. A Phase IV Study of Loperamide Hydrocloride in Acute Non-Dysenteric Diarrhea Among Adult Filipino Patients Imelda M. Alcantara-Sunico, M.D., MPH, Rex M. Mendoza, M.D., Cynthia I. Valencia, M.D., and Rainier M. Galang, B.S.I.E. SPECIAL ARTICLES Geriatric Medicine in the Philippines, Its Problems, Challenges and Future Directions Emmanuel T. Gatchalian Sr., M.D., and Miguel A. Ramos Jr., M.D.