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