@article{Kiernan2006,
author = {Kiernan, K. and Pickett, K.E.},
title= {Marital status disparities in maternal smoking during pregnancy, breastfeeding and maternal depression},
year = {2006},
doi = {10.1016/j.socscimed.2006.01.006},
journal = {Social Science & Medicine },
volume = {63},
number = {2},
pages = {335--346},
}