coronary angiography: coronary artery bypass graft body first saphenous vein graft obstruction
coronary angiography: coronary artery bypass graft body first saphenous vein graft obstruction
coronary angiography: coronary artery bypass graft body first saphenous vein graft obstruction
coronary angiography: coronary artery bypass graft body first saphenous vein graft obstruction