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Effects on cardiomyocyte width, cardiac fibrosis and apoptosis. (A) Myocyte width evaluation using haematoxylin–eosin (HE) staining. (B) Collagen content measurements using picrosirius red (PSR) staining. (C) Cardiomyocyte apoptosis as assessed by TUNEL positive nuclei. (D) Representative images of stained sections. *P < 0.01 versus corresponding Sham; §P < 0.05 versus corresponding Sham; †P < 0.01 FA‐DOXO versus DOXO.
