@article{ref1,
title="Cross-cultural perspectives on developmental stages in adolescent drug use",
journal="Journal of studies on alcohol",
year="1981",
author="Adler, I. and Kandel, D. B.",
volume="42",
number="9",
pages="701-715",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-882X",
doi="",
url="http://dx.doi.org/"
}