@article{Freedman2006,
author = {Freedman, M. and Sigurdson, A. and Rajaraman, P. and Doody, M. and Linet, M. and Ron, E.},
title= {The mortality risk of smoking and obesity combined},
year = {2006},
doi = {10.1016/j.amepre.2006.07.022},
journal = {American Journal of Preventive Medicine},
volume = {31},
number = {5},
pages = {355--362},
}