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  Indian J Med Microbiol
 

Figure 2: Effect of morphine (1-10 mg kg-1 i.p.) on the time course of formalin-induced pain in rats. Nociceptive/pain scores are shown in 5min time blocks up to 60 min post formalin injection. Each point represents mean ± S.E.M (n = 5). ***P < 0.001; ** P < 0.01 compared to vehicle-treated group (Two-way ANOVA followed by Bonferroni’s post hoc test)

Figure 2: Effect of morphine (1-10 mg kg-1 i.p.) on the time course of formalin-induced pain in rats. Nociceptive/pain scores are shown in 5min time blocks up to 60 min post formalin injection. Each point represents mean ± S.E.M (n = 5). ***P < 0.001; ** P < 0.01 compared to vehicle-treated group (Two-way ANOVA followed by Bonferroni’s post hoc test)