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Light Photomicrographs show immunohistochemical expression of PARP in DM (4A) and DM plus VOO (4B) groups (magnification, × 400). The positive staining of PARP is presented by a brown color of cytoplasm (arrowheads). Densitometry analysis of immunohistochemical photomicrographs for PARP was assessed (4C). Data are expressed as a percentage of total tissue area. Columns that have no superscript common are significantly different from each other (p < 0.05).
