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. Author manuscript; available in PMC: 2009 Oct 20.
Published in final edited form as: J Subst Abuse Treat. 2007 May 23;34(2):180–191. doi: 10.1016/j.jsat.2007.03.003

Figure 2.

Figure 2

Treatment retention by week from 0 –24 weeks compared across the two groups, CM vs. CM+, graphed as Kaplan Meier model retention survival curves.