@article{ref1,
title="Knowledge and Experience of Young-People of Drug-Abuse 1969-84",
journal="British medical journal: BMJ",
year="1986",
author="Wright, James D. and Pearl, Laurence",
volume="292",
number="6514",
pages="179-182",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}