@article{ref1,
title="Propoxyphene hydrochloride, a drug of abuse",
journal="JAMA journal of the American Medical Association",
year="1966",
author="Claghorn, J. L. and Schoolar, J. C.",
volume="196",
number="12",
pages="1089-1091",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}