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Figure 2: Effect of i.c.v. injection of atropine on physostigmine-induced changes in formalin-induced pain in rats. Each column represents mean ± SEM (n = 6). *P < 0.05 vs. other groups (one-way ANOVA followed by Duncan’s test). i.p.l.: intraplantar, i.c.v.: intracerebroventricular

Figure 2: Effect of i.c.v. injection of atropine on physostigmine-induced changes in formalin-induced pain in rats. Each column represents mean ± SEM (n = 6). *P < 0.05 vs. other groups (one-way ANOVA followed by Duncan’s test). i.p.l.: intraplantar, i.c.v.: intracerebroventricular