Evaluation of double contrast gastro-duodenal radiology.
D001466:Barium Sulfate; D004386:Duodenum / Q000000981:diagnostic imaging*; D006801:Humans; D008722:Methods; D008900:Mineral Waters; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging*
D008900:Mineral Waters; D001466:Barium Sulfate