Effect of ethanolic extract of the Selaginella convoluta (Sc-EtOH), acetylsalicylic acid (ASA 150 mg/kg) and morphine (Morph 10 mg/kg) on acetic acid induced writhing test. Values are mean ± S.E.M. **p < 0.01, significantly different from control; ANOVA followed Dunnett’s test (n = 6, per group).
de Sá et al. BMC Complementary and Alternative Medicine 2012 12:187 doi:10.1186/1472-6882-12-187