@article{ref1,
title="Effects of a universal classroom behavior program in first and second grades on young adult problem outcomes",
journal="Drug and alcohol dependence",
year="2008",
author="Kellam, S. G. and Reid, John and Balster, Robert L.",
volume="95",
number="Suppl 1",
pages="S1-4",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0376-8716",
doi="10.1016/j.drugalcdep.2008.01.006",
url="http://dx.doi.org/10.1016/j.drugalcdep.2008.01.006"
}