@article{ref1,
title="Writing may be on the wall for violent and aggressive patients",
journal="Emergency nurse",
year="2011",
author="Lipley, Nick",
volume="19",
number="8",
pages="6-7",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1354-5752",
doi="",
url="http://dx.doi.org/"
}