@article{ref1,
title="Acute psychiatric responses to the explosion at the World Trade Center: a case series",
journal="Journal of nervous and mental disease",
year="1997",
author="Difede, J. and Apfeldorf, W. J. and Cloitre, M. and Spielman, L. A. and Perry, S. W.",
volume="185",
number="8",
pages="519-522",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3018",
doi="",
url="http://dx.doi.org/"
}