@article{ref1,
title="Neuropsychological impairment in opiate addicts: risk factors",
journal="Annals of the New York Academy of Sciences",
year="1981",
author="Rounsaville, Bruce James and Novelly, R. A. and Kleber, H. D. and Jones, Craig",
volume="362",
number="",
pages="79-80",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="",
url="http://dx.doi.org/"
}