coronary angiography: coronary artery bypass graft origin first saphenous vein graft obstruct single discrete, concentric
coronary angiography: coronary artery bypass graft origin first saphenous vein graft obstruct single discrete, concentric
catheterization coronary artery bypass graft origin first saphenous vein graft obstruct single discrete, concentric
catheterization coronary artery bypass graft origin first saphenous vein graft obstruct single discrete, concentric