@article{ref1,
title="College undergraduate drug use and life-styles, 1969, 1978 and 1989",
journal="NIDA research monograph",
year="1990",
author="Ionescu-Pioggia, M. and Varma, D. and Pope, H. and Cole, J.",
volume="105",
number="",
pages="285-286",
abstract="G SUBSTANCE ABUSE / * ep ENTS / * psychol INE HOL DRINKING / psychol BEHAVIOR<p /><p>Language: en</p>",
language="en",
issn="1046-9516",
doi="",
url="http://dx.doi.org/"
}