@article{ref1,
title="Patients' assaults on staff more frequent than thought",
journal="Psychiatric news",
year="1980",
author="",
volume="15",
number="13",
pages="3-3",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2704",
doi="",
url="http://dx.doi.org/"
}