title: The value of colonoscopy in the diagnosis and management of severe hematochezia.
mesh_terms: D000328:Adult; D000368:Aged; D003108:Colonic Diseases / Q000175:diagnosis*; D003113:Colonoscopy; D004241:Diverticulum, Colon / Q000175:diagnosis; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014456:Ulcer / Q000175:diagnosis