title: Massive upper gastrointestinal tract hemorrhage. A manifestation of regional enteritis of the duodenum.
mesh_terms: D000328:Adult; D003424:Crohn Disease / Q000150:complications* / Q000601:surgery; D004378:Duodenal Diseases / Q000150:complications* / Q000601:surgery; D005763:Gastroenterostomy; D006471:Gastrointestinal Hemorrhage / Q000209:etiology* / Q000601:surgery; D006801:Humans; D008297:Male; D014628:Vagotomy