The value of image intensification in opaque meal examinations.
D001466:Barium Sulfate; D041981:Gastrointestinal Tract / Q000000981:diagnostic imaging*; D006801:Humans; D010808:Physical Examination; D011859:Radiography
D001466:Barium Sulfate
BARIUM SULFATE; GASTROINTESTINAL SYSTEM/radiography