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Photomicrographs of immunohistochemical sections of liver for detection of p53 showing weak expression in normal rats (a), very strong staining expression (immunopositivity indicated by brownish color) in DXR administered rats (b), weak expression in DXR administered rats treated with rutin (c), and moderate expression in DXR administered rats treated with quercetin (d) and its combination with rutin (6e) (×100).
