@article{ref1,
title="Measuring violence in mental health patients",
journal="Nursing times",
year="1992",
author="O'Brien, A.",
volume="88",
number="19",
pages="58-58",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0954-7762",
doi="",
url="http://dx.doi.org/"
}