Fig. 4From: Changes in thioredoxin concentrations: an observation in an ultra-marathon raceChanges in plasma TRX and serum free fatty acids (FFA) concentrations throughout the study period. Solid line with filled circles Plasma TRX concentrations, dotted line with filled triangles plasma FFA levels. Data are expressed as the mean ± SEM. *p < 0.05 denotes a significant difference from the baseline valueBack to article page