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Quadriceps muscle histology (Hematoxylin and Eosin (H&E) stain (40×). (a) Image of the control group. (b) Image corresponding to the exercise-training groups without supplementation. (c) Image of the exercise-training groups plus vitamin C. (d) Image of the exercise-training group plus silymarin. MF: muscle fiber; En: endomysium; Ep: epimysium; Pe: perimysium; S: splitting; I: inflammation.
