@article{ref1,
title="Letter: Psychiatric classification of psychiatric patients",
journal="Ugeskrift for Laeger",
year="1975",
author="Ostenfeld, I.",
volume="137",
number="7",
pages="392-392",
abstract="<p>[Abstract unavailable]</p><p>Language: da</p>",
language="da",
issn="0041-5782",
doi="",
url="http://dx.doi.org/"
}