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Infarction size assessment by Masson's trichrome staining. (a) Representative myocardial sections are shown. (b) SG-M and SG-H treatment significantly reduce the infarction size compared with MI group. Each value represents the mean ± SD of nine rats. ∗P < 0.05 versus sham group, #P < 0.05 versus MI group, ∆P < 0.05 versus DSDW group, ▲P < 0.05 versus SG-L group.
