@article{ref1,
title="Self-report delinquency and violence in adult twins",
journal="Psychiatric genetics",
year="1996",
author="Rushton, J. P.",
volume="6",
number="2",
pages="87-89",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0955-8829",
doi="",
url="http://dx.doi.org/"
}