Re: Case-control studies of colorectal cancer mortality: is the case made for screening sigmoidoscopy?
Selby
J V
JV
Friedman
G D
GD
Newcomb
P A
PA
Weiss
N S
NS
D016022:Case-Control Studies; D015179:Colorectal Neoplasms / Q000401:mortality* / Q000517:prevention & control; D003362:Cost-Benefit Analysis; D006801:Humans; D012812:Sigmoidoscopy