@article{ref1,
title="Cause of death in widow(er)s and spouses",
journal="Journal of biosocial science",
year="1987",
author="Jones, D. R. and Goldblatt, P. O.",
volume="19",
number="1",
pages="107-121",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9320",
doi="",
url="http://dx.doi.org/"
}