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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: Addict Biol. 2011 Mar 11;16(3):440–449. doi: 10.1111/j.1369-1600.2010.00309.x

Figure 4.

Figure 4

Varenicline significantly decreases nicotine induced increases in 20% ethanol operant self-administration in SD rats. Varenicline (2 mg/kg s.c.) was administered 30 minutes prior to nicotine (0.8 mg/kg s.c that was administered 15 mins prior to the operant session. The values are expressed as mean ethanol consumed (g/kg/60 min) ± SEM (two-way repeated measures ANOVA followed by Newman-Keuls post hoc test). * p<0.05, *** p<0.001 compared to varenicline vehicle within treatment group, n = 11 to 12 per group.