@article{ref1,
title="Assaults on staff",
journal="Psychiatric services",
year="1998",
author="Langenbach, M.",
volume="49",
number="7",
pages="970-971",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1075-2730",
doi="",
url="http://dx.doi.org/"
}