Colonoscopy versus barium enema: a reappraisal of the facts and issues.
Glick
S N
SN
D001464:Barium; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000175:diagnosis*; D003287:Contrast Media; D004733:Enema; D006801:Humans
D003287:Contrast Media; D001464:Barium