[Basic x-ray picture of the large intestine using double contrast method].
D012809:Colon, Sigmoid / Q000000981:diagnostic imaging; D003287:Contrast Media; D006801:Humans; D007413:Intestinal Mucosa / Q000000981:diagnostic imaging; D007420:Intestine, Large / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D008722:Methods; D011859:Radiography; D013679:Technology, Radiologic