Proceedings: A comparative study of the diagnostic value of upper gastrointestinal endoscopy and radiology.
D001466:Barium Sulfate; D004415:Dyspepsia / Q000000981:diagnostic imaging; D004724:Endoscopy; D006801:Humans; D011859:Radiography; D013272:Stomach Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D013274:Stomach Neoplasms / Q000175:diagnosis; D013276:Stomach Ulcer / Q000000981:diagnostic imaging
D001466:Barium Sulfate