@article{Kaplan2006,
author = {Kaplan, Robert M. and Kronick, Richard G.},
title= {Marital status and longevity in the United States population},
year = {2006},
doi = {10.1136/jech.2005.037606},
URL = {http://jech.bmj.com/cgi/content/abstract/60/9/760 },
journal = {J Epidemiol Community Health},
volume = {60},
number = {9},
pages = {760--765},
}