@article{ref1,
title="Clinical guide to emergency room evaluation and management of the violent patient",
journal="South Dakota journal of medicine",
year="1987",
author="Khan, M. H. and Johnson, F. C.",
volume="40",
number="10",
pages="27-31",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-3317",
doi="",
url="http://dx.doi.org/"
}