@article{ref1,
title="Pentagon employees after September 11, 2001",
journal="Psychiatric services",
year="2004",
author="Hoge, Charles W. and Messer, Stephen C. and Castro, Carl A.",
volume="55",
number="3",
pages="319-20; author reply 320",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1075-2730",
doi="",
url="http://dx.doi.org/"
}