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Figure 5: Serum cortisol concentrations at Pre-EX and Post-EX. Values are means ± standard deviation. Significant difference, Pre-EX versus Post-EX, **P < 0.01. CON, no caffeine group; CAFF, 3 mg•kg-1 caffeine ingestion group; Pre-EX, at −60 min before treadmill running time; Post-EX, immediately after treadmill running at 75% VO2max for 40 min. |
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