@article{ref1,
title="US, Russia collaborate on post-traumatic stress",
journal="Public health reports (1974)",
year="1999",
author="",
volume="114",
number="1",
pages="10-10",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-3549",
doi="",
url="http://dx.doi.org/"
}