3Rutgers DR,Klijn CJ,Kappelle LJ,et al.A longitudinal study of collateral flow patterns in the circle of Wills and ophthalmic artery in patients with a symptomatic intrnal carotid artery occlusion.Stroke,2000,31:1 913-1 920.
4Pourcelot L,Tranquart F,Bray JM,et al.Ultrasound characterization and quantification of carotid atherosclerosis lesions.Minerva Cardioangiol,1999,47(1):15-24.
5Ronda R,Pindzola PhD,Jeffery R,et al.Cerebrovascular reserve in patients with carotid occlusive disease assessed by stable xenon-enhanced CT cerebral blood flow and transcranial Doppler.Strke,2001,32(8):1 811-1 818.
