@article{ref1,
title="Twin Studies on the Psychopathology of Suicide",
journal="Journal of heredity",
year="1946",
author="Kallmann, F. J. and Anastasio, MM",
volume="37",
number="6",
pages="171-180",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-1503",
doi="",
url="http://dx.doi.org/"
}