coronary angiography: coronary artery bypass graft origin first saphenous vein graft obstruction single discrete
coronary angiography: coronary artery bypass graft origin first saphenous vein graft obstruction single discrete
catheterization coronary artery bypass graft origin first saphenous vein graft obstruction single discrete
catheterization coronary artery bypass graft origin first saphenous vein graft obstruction single discrete