TY - GEN AU - Waidyarathne, Eisha Indumani TI - Upper gastrointestional tract abnormalities in patients referred for Gastroscopy and the prevalence of Helicobacter pylori infection among them : a hospital based study in Sri Lanka U1 - 616.34 PY - 2007/// CY - Galle PB - Eisha Indumani Wai dyarathne KW - DIGESTIVE SYSTEM DISEASES KW - GASTOINTESTIN KW - HUMAN DISEASES KW - MEDICINE KW - POST GRADUATE THESIS ENGLISH KW - THESIS ER -