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Wang Y, Browne DC, Petras H, Stuart EA, Wagner FA, Lambert SF, Kellam SG, Ialongo NS.Wang Y, et al. Among authors: kellam sg.Drug Alcohol Depend. 2009 Mar 1;100(3):194-203. doi: 10.1016/j.drugalcdep.2008.08.020. Epub 2008 Dec 6.Drug Alcohol Depend. 2009.PMID: 19059736Free PMC article.Clinical Trial.
Wang Y, Storr CL, Green KM, Zhu S, Stuart EA, Lynne-Landsman SD, Clemans KH, Petras H, Kellam SG, Ialongo NS.Wang Y, et al. Among authors: kellam sg.Drug Alcohol Depend. 2012 Jan 1;120(1-3):202-8. doi: 10.1016/j.drugalcdep.2011.07.022. Epub 2011 Aug 24.Drug Alcohol Depend. 2012.PMID: 21868176Free PMC article.Clinical Trial.