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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Psychopharmacology (Berl). 2013 May 28;230(2):10.1007/s00213-013-3145-2. doi: 10.1007/s00213-013-3145-2

Fig. 1.

Fig. 1

Effect of dFBr on nicotine self-administration behavior in rats (n = 12). The data are expressed as the mean ± SEM number of lever-press responses. *p < 0.05, **p < 0.01, different from saline vehicle (0), 0.1 and 1 mg/kg conditions.