@article{ref1,
title="Incidence of PTSD among staff victims of patient violence",
journal="Hospital and community psychiatry",
year="1992",
author="Caldwell, Michael F.",
volume="43",
number="8",
pages="838-839",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-1597",
doi="",
url="http://dx.doi.org/"
}