@article{ref1,
title="When a patient might become violent",
journal="Medical economics",
year="2001",
author="Johnson, L. J.",
volume="78",
number="7",
pages="125-125",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-7206",
doi="",
url="http://dx.doi.org/"
}