Fig. 3From: The effect of preconditioning with high-intensity training on tissue levels of G-CSF, its receptor and C-kit after an acute myocardial infarction in male ratsThe amount of fibrosis in the heart tissue in (a) control group, b HIIT group, c MI group, and (d) HIIT+MI group. The green color represents the amount of tissue fibrosis (× 40 magnification)Back to article page