Fig. 2From: Effect of injection of different doses of isoproterenol on the hearts of miceBar graphs showing the EF before administration (A), EF after dosing for 7 days (B), EF after 21 days (C). (D)Echocardiogram showing FS and EF at 3 times in each group. Data shown are means ± SD; n = 6 in each group. *P < 0.05, significantly different as indicatedBack to article page