@article{ref1,
title="The number of suicides in a psychiatric hospital department over a period of 20 years",
journal="Nordisk Psykiatrisk Tidsskrift",
year="1966",
author="Ravn, J.",
volume="20",
number="3",
pages="196-199",
abstract="<p>[Abstract unavailable]</p> <p>Language: da</p>",
language="da",
issn="0029-1455",
doi="",
url="http://dx.doi.org/"
}