@article{ref1,
title="NHS staff must be trained in how to prevent aggression",
journal="British medical journal: BMJ",
year="2001",
author="Essex, C.",
volume="323",
number="7305",
pages="168-168",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}