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Figure 1


Fig. 1. The effect of cold-exposure (4±1°C) duration on copper, zinc superoxide dismutase (CuZnSOD) activity in the skeletal muscle of untreated, L-arginine-treated and N{omega}-nitro-L-arginine methyl ester (L-NAME)-treated animals. *P<0.05, **P<0.01, ***P<0.001 compared with the control kept at room temperature (22±1°C). #P<0.05, ##P<0.01, ###P<0.001 compared with the untreated group at the same time of cold acclimation.