[2 patients with melena and hematochezia of undetermined origin].
D000328:Adult; D000368:Aged; D001165:Arteriovenous Malformations / Q000150:complications; D003106:Colon / Q000098:blood supply; D003113:Colonoscopy; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007579:Jejunal Diseases / Q000150:complications; D008297:Male; D008551:Melena / Q000209:etiology*; D014456:Ulcer / Q000150:complications
Zwei Patienten mit Melaena und Hämatochezie unklarer Herkunft.