coronary artery bypass graft origin fourth saphenous vein graft insertion sites visualized left posterolateral-1
coronary artery bypass graft origin fourth saphenous vein graft insertion sites visualized left posterolateral-1
coronary artery bypass graft origin fourth saphenous vein graft insertion sites visualized left posterolateral-1
coronary artery bypass graft origin fourth saphenous vein graft insertion sites visualized left posterolateral-1