@article{Zimmer1998,
author = {Zimmer, M.H.  and Zimmer, M. },
title= {Socioeconomic determinants of smoking behavior during pregnancy},
year = {1998},
doi = {10.1016/S0362-3319(98)90065-9},
journal = {Social Science Journal },
volume = {35},
number = {1},
pages = {133142},
}