@article{ref1,
title="A note on the reduction of a risk of death",
journal="Social biology",
year="1983",
author="Tsai, S. P. and Hardy, R. J. and Lee, E. S.",
volume="30",
number="2",
pages="228-233",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0037-766X",
doi="",
url="http://dx.doi.org/"
}