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Peripheral vein serum hormone concentrations. Samples were obtained from BFR and control (Ctrl; no BFR) subjects before and during exercise and for 3 h after exercise. A: serum growth hormone (ng/ml). B: serum cortisol (ng/ml). *Significantly different from baseline (P < 0.05); #significantly different from Ctrl subjects at corresponding time point (P < 0.05).
