Peptic ulceration in adolescence.
D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D010437:Peptic Ulcer / Q000150:complications / Q000601:surgery*; D010438:Peptic Ulcer Hemorrhage / Q000601:surgery; D010439:Peptic Ulcer Perforation / Q000601:surgery