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Percent effect of VBME (100, 200 and 300mg/kg) and TramadolR(30mg/kg) on hot plate pain in mice. Each point represents the mean ± SEM of 6 animals, The data was analyzed by ANOVA followed by Dunnett’s test. Asterisks indicated statistically significant values from control. *P < 0.05, **P < 0.01, **P < 0.001.
