Interaction between Overtraining and the Interindividual Variability May (Not) Trigger Muscle Oxidative Stress and Cardiomyocyte Apoptosis in Rats
The apoptotic index of left ventricle from the CO (), FOR (), and NFOR () groups (means ± SD). The ratio of the number of fields that showed apoptotic nuclei to the total number of fields quantified is displayed above the SD marker for each group. *Significant difference relative to CO ().
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