The effectiveness of colonoscopy in reducing mortality from colorectal cancer.
Romagnuolo
Joseph
J
Barkun
Alan N
AN
Manges
Amee R
AR
D003113:Colonoscopy / Q000379:methods / Q000592:standards*; D015179:Colorectal Neoplasms / Q000175:diagnosis / Q000401:mortality* / Q000517:prevention & control*; D055088:Early Detection of Cancer; D006801:Humans; D015983:Selection Bias