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H & E ×400 stained light microscopy section of group BL rat myocardium showing well-maintained myofibrillar structure. H & E ×400 stained light microscopy section of group IR rat myocardium showing extensive degeneration of myofibrils with leukocytic accumulation, edema and vacuolization. Microscopic section of H1 BL treated rat heart. Microscopic section of H1 IR treated rat heart H & E ×400.
