Hemorrhagic duodenitis: a significant cause of gastrointestinal bleeding.
D000328:Adult; D000368:Aged; D004378:Duodenal Diseases / Q000150:complications*; D004751:Enteritis / Q000150:complications*; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged