title: Life-threatening complications of duodenal ulcer.
mesh_terms: D004381:Duodenal Ulcer / Q000150:complications* / Q000601:surgery; D006801:Humans; D010438:Peptic Ulcer Hemorrhage / Q000628:therapy; D010439:Peptic Ulcer Perforation / Q000628:therapy; D011183:Postoperative Complications; D011655:Pulmonary Embolism / Q000209:etiology