@article{ref1,
title="Comparative twin study on the genetic aspects of male homosexuality",
journal="Journal of nervous and mental disease",
year="1952",
author="Kallmann, Franz J.",
volume="115",
number="4",
pages="e283-e283",
abstract="… , ended their lives by suicide in different ways (drowning and … with respect to delivery andsuicide) required plastic surgery … expressed opinion that &quot;the suicides of two twin partners are …Keywords: Suicide<p /><p>Language: en</p>",
language="en",
issn="0022-3018",
doi="",
url="http://dx.doi.org/"
}