@article{ref1,
title="The crack-violence connection within a population of hard-core adolescent offenders",
journal="NIDA research monograph",
year="1990",
author="Inciardi, James A.",
volume="103",
number="",
pages="92-111",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1046-9516",
doi="",
url="http://dx.doi.org/"
}