@article{ref1,
title="Research on bereavement",
journal="Comprehensive psychiatry",
year="",
author="Epstein, Gerald and Weitz, Lawrence and Roback, Howard and McKee, Embry",
volume="16",
number="6",
pages="537-546",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0010-440X",
doi="10.1016/S0010-440X(75)80017-4",
url="http://dx.doi.org/10.1016/S0010-440X(75)80017-4"
}