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2O3-induced liver histopathologic changes. Representative histological changes of liver obtained from mice of different groups. A. Control group, B. melatonin (20mg/kg) group, C. As2O3 group, D. melatonin (5mg/kg) + As2O3 (50 mg/kg) group, E. melatonin (10mg/kg) + As2O3 (50 mg/kg) group, F: melatonin (20mg/kg) + As2O3 (50 mg/kg) group (Hematoxylin and eosin staining, magnification 200×).
