@article{ref1,
title="Twin studies on the psychopathology of suicide",
journal="Journal of nervous and mental disease",
year="1947",
author="Kallmann, Franz J. and Anastasio, Mary M.",
volume="105",
number="01",
pages="e40-e40",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3018",
doi="",
url="http://dx.doi.org/"
}