@article{Smedberg2014,
author = {Smedberg, J. and Lupattelli, A. and Mårdby, A.C. and Nordeng, H.},
title= {Characteristics of women who continue smoking during pregnancy: A cross-sectional study of pregnant women and new mothers in 15 European countries},
year = {2014},
doi = {10.1186/1471-2393-14-213},
volume = {14},
number = {1},
pages = {213--228},
}