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Effect of valsartan on the collagen staining in the LV border zone section after MI. (A) Collagen staining of myocardial tissues with Masson’s trichrome (stained in blue) in rat hearts 8 weeks after MI. (B) Quantitative data evaluated the levels of collagen deposition in both BZ and NIZ sections (n = 7 in MI group, n = 6 in MI + Val group. *P < 0.05 versus MI group).
