Figure 1From: Effects of sildenafil and/or muscle derived stem cells on myocardial infarctionExperimental protocol. Myocardial infarction (MI) was induced in rats by left anterior descending coronary artery (LAD) ligation. Arrows indicate the time points for treatments with sildenafil alone, MDSC, and MDSC + sildenafil, performance of surgical procedure, and measurement of various parameters (listed under each arrow), and final sacrifice.Back to article page