title: CAUSAL INFLUENCES IN HAEMATEMESIS AND MELAENA.
mesh_terms: D000434:Alcoholic Beverages; D001161:Arteriosclerosis; D001241:Aspirin; D001789:Blood Group Antigens; D004381:Duodenal Ulcer; D005826:Genetics, Medical; D006331:Heart Diseases; D006396:Hematemesis; D006801:Humans; D006973:Hypertension; D007239:Infections; D008551:Melena; D010438:Peptic Ulcer Hemorrhage; D012723:Sex; D012907:Smoking; D013223:Statistics as Topic; D013312:Stress, Physiological
chemical_list: D001789:Blood Group Antigens; D001241:Aspirin
keywords: ALCOHOLIC BEVERAGES; ARTERIOSCLEROSIS; ASPIRIN; BLOOD GROUPS; DUODENAL ULCER; GENETICS, HUMAN; HEART DISEASES; HEMATEMESIS; HYPERTENSION; INFECTION; MELENA; PEPTIC ULCER HEMORRHAGE; SEX; SMOKING; STATISTICS; STRESS