The diagnostic information value of upper gastrointestinal radiography. Ave atque vale?
Schwartz
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D001464:Barium; D003952:Diagnostic Imaging / Q000639:trends; D005544:Forecasting; D005767:Gastrointestinal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D011859:Radiography
D001464:Barium