[Requirements of the roentgenologic examination of the upper gastrointestinal tract and of the small intestine].
D004947:Esophagus / Q000000981:diagnostic imaging; D005767:Gastrointestinal Diseases / Q000000981:diagnostic imaging*; D006801:Humans; D007421:Intestine, Small / Q000000981:diagnostic imaging; D011859:Radiography; D013270:Stomach / Q000000981:diagnostic imaging; D013679:Technology, Radiologic
Anforderungen an die röntgenologische Untersuchung des oberen Gastrointestinaltrakts und des Dünndarms.