@article{Schatzkin1994,
author = {Schatzkin, A. and Freedman, L.S. and Dawsey, S.M. and Lanza, E.},
title= {Interpreting precursor studies: What polyp trials tell us about large-bowel cancer},
year = {1994},
doi = {10.1093/jnci/86.14.1053},
journal = {Journal of the National Cancer Institute},
volume = {86},
number = {14},
pages = {1053‒1057},
}