Figure 5.

The beta-endorphin levels between pre- (oblique line) and post-(no line) intervention periods in each group, control, VC, exercise with VC, and exercise only. Each bar represented the mean and standard deviation, and significant level at p < 0.05 (#) and p < 0.001 (# #).

Leelarungrayub et al. Journal of the International Society of Sports Nutrition 2010 7:21   doi:10.1186/1550-2783-7-21
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