Surgical duodenal ulcer: a disease entity?
D004381:Duodenal Ulcer / Q000453:epidemiology* / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage; D010439:Peptic Ulcer Perforation; D011707:Pyloric Stenosis