title: Evaluation of compression spot films in duodenal cap ulcers: study of 63 cases.
abstract: Eight hundred and twenty patients were examined in an effort to test the abilities of compression studies, erect spot film studies, and air contrast examinations to detect duodenal cap ulcers. The 63 ulcers found are reviewed.
mesh_terms: D001466:Barium Sulfate; D004381:Duodenal Ulcer / Q000000981:diagnostic imaging*; D005069:Evaluation Studies as Topic; D006801:Humans; D008722:Methods; D011859:Radiography
chemical_list: D001466:Barium Sulfate