coronary angiography: coronary artery bypass graft body first saphenous vein graft flow absent
coronary angiography: coronary artery bypass graft body first saphenous vein graft flow absent
coronary angiography: coronary artery bypass graft body first saphenous vein graft flow absent (procedure)
coronary angiography: coronary artery bypass graft body first saphenous vein graft flow absent (procedure)