@article{ref1,
title="Genetic factors in suicide",
journal="Diseases of the nervous system",
year="1977",
author="Tsuang, M. T.",
volume="38",
number="7",
pages="498-501",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0012-3714",
doi="",
url="http://dx.doi.org/"
}