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. Author manuscript; available in PMC: 2012 Nov 5.
Published in final edited form as: Addiction. 2010 Apr;105(4):709–718. doi: 10.1111/j.1360-0443.2009.02843.x

Figure 2.

Figure 2

Figure 2

(A) Mean “drug liking” responses from the Drug Effects Questionnaire across all buprenorphine maintenance doses. (B) Mean “drug liking” responses from the Drug Effects Questionnaire stratified by buprenorphine maintenance dose. BupNx, buprenorphine/naloxone; Bup, buprenorphine. * P < 0.001 compared with placebo. †P < 0.005 compared with heroin. §P < 0.03 compared with 8 mg buprenorphine maintenance dose. ‖P < 0.05 compared with 2 mg buprenorphine maintenance dose.