title: Perforating ulcer in a duodenal duplication.
mesh_terms: D002648:Child; D004386:Duodenum / Q000002:abnormalities* / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D010439:Peptic Ulcer Perforation / Q000150:complications* / Q000175:diagnosis / Q000473:pathology / Q000601:surgery