Figure 16. Myocardium SOD, MDA, and GSH-PX levels in the normal group, model group, DXTMG group, and propranolol group. (A) Rat Superoxide Dismutase (SOD); (B) Malondialdehyde (MDA); (C) Glutathione Peroxidase (GSH-PX). Data are presented as the mean ± S.D. (n = 8). ##P < 0.01 vs. Normal group; **P < 0.01 vs. Model group; *P < 0.05 vs. Model group.