Interpreting precursor studies: what polyp trials tell us about large-bowel cancer.
Schatzkin
A
A
Division of Cancer Prevention and Control, National Cancer Institute, Bethesda, Md 20852.
Freedman
L S
LS
Dawsey
S M
SM
Lanza
E
E
D011125:Adenomatous Polyposis Coli / Q000473:pathology*; D002471:Cell Transformation, Neoplastic; D003110:Colonic Neoplasms / Q000517:prevention & control*; D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control