@article{ref1,
title="Diagnosis and prognosis of melancholia",
journal="Lebensversicherungs Medizin",
year="1971",
author="Rudolf, G.",
volume="23",
number="2",
pages="25-30",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0024-0044",
doi="",
url="http://dx.doi.org/"
}