@article{ref1,
title="Violence in hospitals: prevent and protect",
journal="Hospital and health networks",
year="2011",
author="Howell, Whitney L. J.",
volume="85",
number="1",
pages="26-28",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1068-8838",
doi="",
url="http://dx.doi.org/"
}