@article{ref1,
title="Violent incidents among patients",
journal="Nursing times",
year="1993",
author="Harrison, J.",
volume="89",
number="20",
pages="51-51",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0954-7762",
doi="",
url="http://dx.doi.org/"
}