@article{ref1,
title="Biosocial Risk Factors and Juvenile Violence",
journal="Federal probation",
year="1999",
author="Brennan, Patricia A.",
volume="63",
number="2",
pages="58-60",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0014-9128",
doi="",
url="http://dx.doi.org/"
}