title: Radiology of the stomach and duodenum.
mesh_terms: D001466:Barium Sulfate; D004378:Duodenal Diseases / Q000000981:diagnostic imaging*; D004724:Endoscopy; D006801:Humans; D011859:Radiography; D013272:Stomach Diseases / Q000000981:diagnostic imaging*
chemical_list: D001466:Barium Sulfate