FIGURE 3.
Malondialdehyde (MDA) (A) and carbonyl groups (CG) (B) in liver and muscle of low-altitude and high-altitude adult frogs, and comparable values for juvenile frogs (C,D). Data are presented as mean ± SEM (n = 8). Asterisks (**p < 0.01, ***p < 0.001) indicate significant differences between two populations.