@article{ref1,
title="PTSD and risk of suicide",
journal="American journal of psychiatry",
year="1992",
author="Pollock, D. A.",
volume="149",
number="1",
pages="142-143",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-953X",
doi="",
url="http://dx.doi.org/"
}