@article{ref1,
title="Alcohol, tobacco and marijuana use among youth: an overview of epidemiological, program and policy trends",
journal="Health education quarterly",
year="1987",
author="Corbett, K. and Wallack, L.",
volume="14",
number="2",
pages="223-249",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0195-8402",
doi="",
url="http://dx.doi.org/"
}