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Methods for testing theory and evaluating impact in randomized field trials: intent-to-treat analyses for integrating the perspectives of person, place, and time.
Brown CH, Wang W, Kellam SG, Muthén BO, Petras H, Toyinbo P, Poduska J, Ialongo N, Wyman PA, Chamberlain P, Sloboda Z, MacKinnon DP, Windham A; Prevention Science and Methodology Group. Brown CH, et al. Drug Alcohol Depend. 2008 Jun 1;95 Suppl 1(Suppl 1):S74-S104. doi: 10.1016/j.drugalcdep.2007.11.013. Epub 2008 Jan 22. Drug Alcohol Depend. 2008. PMID: 18215473 Free PMC article.