@article{ref1,
title="Exogenous causes in schizophrenic states",
journal="Psychiatrie, Neurologie, und Medizinische Psychologie",
year="1970",
author="Siegel, E. and Wieglepp, R.",
volume="22",
number="9",
pages="345-349",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0033-2739",
doi="",
url="http://dx.doi.org/"
}