@article{Gaudet2013,
author = {Gaudet, M.M. and Gapstur, S.M. and Sun, J. and Diver, W.R. and Hannan, L.M. and Thun, M.J.},
title= {Active smoking and breast cancer risk: Original cohort data and meta-analysis},
year = {2013},
doi = {10.1093/jnci/djt023},
volume = {105},
number = {8},
pages = {515--525},
}