@article{ref1,
title="A retrospective search for the etiology of drug abuse: a background comparison of a drug-addicted population of women and a control group of non-addicted women",
journal="NIDA research monograph",
year="1988",
author="Hagan, T.",
volume="81",
number="",
pages="254-261",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1046-9516",
doi="",
url="http://dx.doi.org/"
}