@article{Leinsalu2007,
author = {Leinsalu, M. and Tekkel, M. and Kunst, A.E.},
title= {Social determinants of ever initiating smoking differ from those of quitting: a cross-sectional study in Estonia},
year = {2007},
doi = {10.1093/eurpub/ckm030},
journal = {European Journal of Public Health},
volume = {17},
number = {6},
pages = {572‒578},
}