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. Author manuscript; available in PMC: 2010 Sep 22.
Published in final edited form as: Drug Alcohol Depend. 2008 Dec 19;101(1-2):92–100. doi: 10.1016/j.drugalcdep.2008.11.006

Figure 3.

Figure 3

Effect of contingency management on abstinence from cocaine, collapsed across methadone dose due to absence of a dose effect. Abbreviations as in Figure 2.