@article{Sheehan2000,
author = {Sheehan, J.T. and Gershman, S.T. and MacDougall, L.A. and Danley, R.A. and Mroszczyk, M. and Sorensen, A.M. and Kulldorff, M.},
title= {Geographic assessment of breast cancer screening by towns, zip codes, and census tracts},
year = {2000},
doi = {10.1097/00124784-200006060-00008},
volume = {6},
number = {6},
pages = {48--57},
}