@article{Roelfs2011,
author = {Roelfs, D.J. and Shor, E. and Kalish, R. and Yogev, T.},
title= {The rising relative risk of mortality for singles: Meta-analysis and meta-regression},
year = {2011},
doi = {10.1093/aje/kwr111},
journal = {American Journal of Epidemiology},
volume = {174},
number = {4},
pages = {379--389},
}