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