Variable contrast examination of the colon.
D001466:Barium Sulfate; D002432:Cecum / Q000000981:diagnostic imaging; D003106:Colon / Q000000981:diagnostic imaging*; D003108:Colonic Diseases / Q000000981:diagnostic imaging*; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D008722:Methods; D008747:Methylcellulose; D011187:Posture; D011859:Radiography
D001466:Barium Sulfate; D008747:Methylcellulose