Figure 3From: RETRACTED ARTICLE: Cardioprotective activity of placental growth factor in a rat model of acute myocardial infarction: nanoparticle-based delivery versus direct myocardial injection Echocardiography of rats in the control group (A), AMI group (B), PGF group (C) and PGF-PLGA NPs group (D) at the end of the fourth week after AMI surgery. Back to article page