Figure 3From: Protective effects of nuclear factor erythroid 2-related factor 2 on whole body heat stress-induced oxidative damage in the mouse testisEffects of heat treatment on serum cortisol and testosterone in mice. The concentrations of cortisol (A) and testosterone (B) in serum were measured on days 0, 1, 2, 4, 8 and 12. Each bar represents the mean ± SEM (n = 5). Different superscripts above bar differ significantly between each other (P < 0.05).Back to article page