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