@article{ref1,
title="Aggression in the psychiatric hospital",
journal="Tijdschrift voor Ziekenverpleging",
year="1974",
author="Jacobs, David",
volume="27",
number="4",
pages="86-89",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0303-6456",
doi="",
url="http://dx.doi.org/"
}