Radiological examination of the small intestine by duodenal intubation.
D003287:Contrast Media; D005471:Fluoroscopy; D006801:Humans; D007421:Intestine, Small / Q000000981:diagnostic imaging*; D007441:Intubation, Gastrointestinal / Q000295:instrumentation; D008722:Methods; D011829:Radiation Dosage
D003287:Contrast Media