@article{ref1,
title="Characteristics of presuicidal affective state ;; Über die präsuizidale Verfassung",
journal="Nervenarzt",
year="1990",
author="Modestin, J.",
volume="61",
number="3",
pages="159-163",
abstract="<p>[Abstract unavailable]</p>",
language="de",
issn="0028-2804",
doi="",
url="http://dx.doi.org/"
}