title: [Hematemesis and melena--etiology and treatment].
mesh_terms: D000368:Aged; D004932:Esophageal and Gastric Varices / Q000150:complications*; D006396:Hematemesis / Q000209:etiology* / Q000628:therapy; D006801:Humans; D008551:Melena / Q000209:etiology* / Q000628:therapy; D008875:Middle Aged; D010437:Peptic Ulcer / Q000150:complications*
vernacular_title: Hematemes och melena--blödningsorsaker och behandling.