Polyps of the colon:  how to find them barium enema, double contrasts, fluoroscopic image amplification, or what?
D001464:Barium; D003110:Colonic Neoplasms; D004733:Enema; D006801:Humans; D011127:Polyps / Q000175:diagnosis*
D001464:Barium
COLON/neoplasms; POLYPI/diagnosis