Figure 5From: Efficacy of treatment with glycosaminoglycans on experimental collagen-induced arthritis in ratsArticular cartilage antioxidant content of joints of animals with RA treated with hyaluronic acid (HYA), chondroitin-4-sulphate (C4S) or both glycosaminoglycans. (A) Articular reduced glutathione (GSH) levels. (B) Articular superoxide dismutase (SOD) activity. Values are means ± SD for seven animals for each group.Back to article page