@article{ref1,
title="Correlates of student drug use in a suburban high school",
journal="Psychiatry interpersonal and biological processes",
year="1974",
author="Lawrence, T. S. and Velleman, J. D.",
volume="37",
number="2",
pages="129-136",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2747",
doi="",
url="http://dx.doi.org/"
}