@article{ref1,
title="Alcohol and other drug use",
journal="Preventive medicine",
year="1993",
author="Smith, V. L.",
volume="22",
number="4",
pages="598-603",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0091-7435",
doi="10.1006/pmed.1993.1055",
url="http://dx.doi.org/10.1006/pmed.1993.1055"
}