@article{ref1,
title="Missing data in previously published article",
journal="Nordic journal of psychiatry",
year="2001",
author="Prochazka, H. and Agren, H.",
volume="55",
number="5",
pages="364-364",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0803-9488",
doi="",
url="http://dx.doi.org/"
}