title: Haematemesis and melaena--a permanent problem.
mesh_terms: D000328:Adult; D006396:Hematemesis / Q000209:etiology / Q000628:therapy*; D006801:Humans; D008551:Melena / Q000209:etiology / Q000628:therapy*; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000150:complications