@article{ref1,
title="Depression, somatization, suicide. Part 2: Masked depression, suicide",
journal="Fortschritte der Medizin",
year="1981",
author="Hertrich, O.",
volume="99",
number="25",
pages="973-977",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0015-8178",
doi="",
url="http://dx.doi.org/"
}