@article{ref1,
title="Heritability of Substance Abuse and Antisocial Behavior: A Study of Monozygotic Twins Reared Apart",
journal="Biological psychiatry",
year="1990",
author="Grove, William M. and Eckert, Elke D. and Heston, Leonard and Bouchard, Thomas J. and Segal, N. and Lykken, D. T.",
volume="27",
number="12",
pages="1293-1304",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0006-3223",
doi="",
url="http://dx.doi.org/"
}