Fig. 6From: Therapeutic effects of dracocephalum heterophyllum in collagen-induced arthritisEffects of DH on the production of anti-CII antibodies in CIA mice. Serum levels of type II collagen IgG1 and IgG2a antibodies were determined by ELISA. The data were described as the mean ± SEM, *P<0.05 and **P<0.01 compared with the CIA groupBack to article page