Phil. Journal of Internal Medicine (Vol.30 No.4) Volume 30 Number 4 July - August 1992 Issue C O N T E N T S ORIGINAL ARTICLES Lithotripsy of Gallbladder Stones: The First Year Experience at the Cebu Doctors’ Hospital Bernadette A. Moscoso, M.D., Judy Y. Lao, M.D., FPCP and Lamberto H. Garcia, M.D., FPCP Nightmare of a Miracle Drug: A Clinical Profile of an Iatrogenic Cushing’s Syndrome Lorno I. A. Ramos, M.D. and Vincent Santos, M.D., FPCP A Meta-Analysis of the Role of Rheumatoid Factors in the Pathogenesis of Nephritis in Systemic Lupus Erythromatosus Beatrice J. Tiangco, M.D., Josefina B. Jayme, M.D. and Apolonio G. Pasion, M.D. Traditional Foam Test as a Valid Procedure in Detecting Conjugated Hyperbilirubinemia Elizabeth S. Carreon, M.D., Marisa G. Santos, M.D., Roberto Guzman, M.D., FPCP, Rogelio Umil, M.D., Artemio de Mesa, M.D., FPCP and Ricardo Enriquez, M.D. Breast Cancer in the Philippines: Determinants of Stage at Diagnosis Corazon A. Ngelangel, M.D. and Lyndon Lacaya, B.Sc Comparison of Betaxolol and Metoprolol as Antihypertensive Agents L.C. Maranan, M.D., FPCP, D.R. Flores, M.D., H.P. Abundo, M.D., FPCP, E.S. Gatchalian, Jr., M.D., FPCP, R. de Sagun, M.D., and A. A. Atilano, M.D., FPCP