title: Bleeding colonic diverticula.
mesh_terms: D004239:Diverticulitis, Colonic / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D006801:Humans; D011859:Radiography