@article{ref1,
title="Long-term adaptation by the elderly to bereavement",
journal="Journal of gerontology",
year="1973",
author="Heyman, D. K. and Gianturco, D. T.",
volume="28",
number="3",
pages="359-362",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1422",
doi="",
url="http://dx.doi.org/"
}