参考文献/References:
Gasecki AP.Eliasziw M.Ferfuson GG Long-term prognosis and effect of endarterectomy in patients with symptomatic severe carotid stenosis and contralateral carotid stenosis or occlusion:results from NASCET 1995
Papavasiliou AK.Magnadottir HB.Gonda T Cli