Screening colonoscopy vs flexible sigmoidoscopy.
Harminder
H
Singh
Alain A
AA
Demers
Charles N
CN
Bernstein
D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000175:diagnosis* / Q000401:mortality; D006801:Humans; D012680:Sensitivity and Specificity; D012812:Sigmoidoscopy; D016896:Treatment Outcome