title: Massive gastrointestinal hemorrhage from duodenal diverticula.
mesh_terms: D000368:Aged; D004238:Diverticulitis / Q000150:complications* / Q000175:diagnosis / Q000209:etiology / Q000601:surgery; D004378:Duodenal Diseases / Q000150:complications* / Q000175:diagnosis; D004386:Duodenum / Q000601:surgery; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D005773:Gastroscopy; D006396:Hematemesis / Q000175:diagnosis; D006801:Humans; D007422:Intestines / Q000002:abnormalities; D008297:Male; D008551:Melena / Q000175:diagnosis