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Histopathological examination of rat joints showing the articular bone structure stained with hematoxylin and eosin under a light microscope (× 100)in CFA-induced arthritis in Sprague-Dawley rats. (A)IFA/non-arthritic control, (B)CFA/arthritic control, (C) dexamethasone (3 mg/kg), (D)1 (3 mg/kg), (E) 1 (10 mg/kg), (F) 1 (30 mg/kg), (G) 2 (3 mg/kg), (H) 2 (10 mg/kg), and (I) 2 (30 mg/kg).
