@article{ref1,
title="How to manage violent patients",
journal="Health care security and safety management",
year="1981",
author="",
volume="2",
number="1",
pages="5-9",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0279-3466",
doi="",
url="http://dx.doi.org/"
}