@article{ref1,
title="Responding to the violent patient",
journal="Nursing life",
year="1987",
author="Butler, J. P.",
volume="7",
number="2",
pages="34-37",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0279-3091",
doi="",
url="http://dx.doi.org/"
}