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Figure 4 Representative micrographs of immunohistochemistry for transforming growth factor (TGF)-ß1 and monocyte chemoattractant protein (MCP)-1 in the coronary arteries of age-matched LETO (left), untreated-OLETF (middle), and treated-OLETF (right) rats at 30 weeks. Scale bar is 20 µm. Abbreviations as in Figure 1.