The use of water soluble contrast medium (hypaque) for gastrointestinal roentgenography.
D003287:Contrast Media; D003973:Diatrizoate; D041981:Gastrointestinal Tract / Q000000981:diagnostic imaging*; D011859:Radiography
D003287:Contrast Media; D003973:Diatrizoate
CONTRAST MEDIA; GASTROINTESTINAL SYSTEM/radiography