title: The endoscopic, radiological, and surgical findings in chronic duodenal ulceration.
mesh_terms: D004381:Duodenal Ulcer / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000601:surgery; D004724:Endoscopy; D005189:False Positive Reactions; D006801:Humans; D011446:Prospective Studies; D011859:Radiography