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Photomicrographs of histological sections of the tricuspid (A), mitral (B) and aortic (C) valves, and myocardium (D) from Wistar rats injected with placebo. The tricuspid (E), mitral (F) and aortic (G) valves, and myocardium (H) from rats injected with a high dose of StreptInCor (200 μg/ml). There is no necrosis, inflammatory infiltrate, neovascularization, or fibrosis in the valve cusps (c), myocardium (M), or epicardium (*). Hematoxylin and eosin staining, ×200.
