Fig. 4.

Mean ± SEM of plasma level of cortisol. The letters (a: -30, b: 0, c: 30, d: 60, e: 90, f: 120) show significant difference between times of the study (p<0.05, n=8).

Mean ± SEM of plasma level of cortisol. The letters (a: -30, b: 0, c: 30, d: 60, e: 90, f: 120) show significant difference between times of the study (p<0.05, n=8).