@article{ref1,
title="Predisposition to Petty Criminality in Swedish Adoptees: III. Sex Differences and Validation of the Male Typology",
journal="Archives of general psychiatry",
year="1982",
author="Sigvardsson, Sören and Cloninger, C. Robert and Bohman, Michael and von Knorring, Anne-Liis",
volume="39",
number="11",
pages="1248-1253",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0003-990X",
doi="",
url="http://dx.doi.org/"
}