@article{ref1,
title="Air disaster and posttraumatic stress disorder",
journal="American journal of psychiatry",
year="1999",
author="Guerin, E. J.",
volume="156",
number="8",
pages="1290-1291",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-953X",
doi="",
url="http://dx.doi.org/"
}