@article{Balayla2011,
author = {Balayla, J. and Azoulay, L. and Abenhaim, H.A.},
title= {Maternal marital status and the risk of stillbirth and infant death: A population-based cohort study on 40 million births in the United states},
year = {2011},
doi = {10.1016/j.whi.2011.04.001},
journal = {Womens Health Issues},
volume = {21},
number = {5},
pages = {361--365},
}