@article{Berkman2015,
author = {Berkman, L.F. and Zheng, Y.H. and Glymour, M.M. and Avendano, M. and Börsch-Supan, A. and Sabbath, E.L.},
title= {Mothering alone: Cross-national comparisons of later-life disability and health among women who were single mothers},
year = {2015},
doi = {10.1136/jech-2014-205149},
volume = {69},
number = {9},
pages = {865--872},
}