@article{ref1,
title="Working environment. Violent episodes are a common problem",
journal="Sygeplejersken",
year="1989",
author="Steffensen, J.",
volume="89",
number="21",
pages="18-20",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0106-8350",
doi="",
url="http://dx.doi.org/"
}