The insufflated barium-meal technique. A new approach to the radiological examination of the upper digestive tract.
D000388:Air; D001464:Barium; D004064:Digestive System / Q000000981:diagnostic imaging*; D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D008722:Methods; D011859:Radiography; D013679:Technology, Radiologic / Q000295:instrumentation
D001464:Barium