@article{ref1,
title="Prevalence of prescription drug abuse: Data from the National Institute on Drug Abuse",
journal="New York state journal of medicine",
year="1991",
author="Adams, Edgar H.",
volume="91",
number="11, Suppl",
pages="32-36",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0028-7628",
doi="",
url="http://dx.doi.org/"
}