Duodenal varices: endoscopic diagnosis of an unusual source of upper gastrointestinal hemorrhage.
D000368:Aged; D004386:Duodenum / Q000098:blood supply*; D004724:Endoscopy; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D014648:Varicose Veins / Q000150:complications*