cardiac catheterization coronary artery bypass graft origin second saphenous vein graft obstruction single discrete concentric
cardiac catheterization coronary artery bypass graft origin second saphenous vein graft obstruction single discrete concentric
cardiac catheterization coronary artery bypass graft origin SVG-2 obstruction single discrete concentric
cardiac catheterization coronary artery bypass graft origin svg-2 obstruction single discrete concentric