coronary angiography: coronary artery bypass graft body second saphenous vein graft obstruction single discrete concentric
coronary angiography: coronary artery bypass graft body second saphenous vein graft obstruction single discrete concentric
catheterization coronary artery bypass graft body second saphenous vein graft obstruction single discrete concentric
catheterization coronary artery bypass graft body second saphenous vein graft obstruction single discrete concentric