[New investigations on the characteristics of contrast mediums used in the roentgenography of the gastrointestinal tract].
D003287:Contrast Media; D004064:Digestive System; D041981:Gastrointestinal Tract; D006801:Humans; D011859:Radiography
D003287:Contrast Media
DIGESTIVE SYSTEM; ROENTGENOGRAPHY
Neue Untersuchungen zur Charakterisierung von Röntgenkontrastmittel für Magen und Darm.