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. Author manuscript; available in PMC: 2010 Dec 1.
Published in final edited form as: J Subst Abuse Treat. 2009 Jun 23;37(4):388–397. doi: 10.1016/j.jsat.2009.05.004
Design # 1 New intervention vs. TAU
Design # 2 New intervention + TAU vs. alternative intervention + TAU
Design # 3 New intervention + TAU vs. alternative intervention + TAU
Design # 4 New intervention vs. standardized control treatment