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Effects of hindlimb unloading on endothelial nitric oxide synthase (eNOS) mRNA expression (A) and Cu/Zn-dependent superoxide dismutase (SOD-1) mRNA expression (B) in the principal nutrient artery of the femur. Values are means ± SE. *Hindlimb unloaded group mean (n = 12) is different from control group mean (n = 11) (P < 0.05).
