Single-contrast versus double-contrast barium enema examinations.
D001466:Barium Sulfate; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000000981:diagnostic imaging*; D003287:Contrast Media; D003937:Diagnosis, Differential; D004241:Diverticulum, Colon / Q000000981:diagnostic imaging*; D004733:Enema; D006801:Humans; D011859:Radiography