1Rothwell PM,Gibson RJ,Slattery J,et al.Equivalence of measurements of carotid stenosis.A comparison of three methods on 1001 angiograms.European Carotid Surgery Trialists' Collaborative Group.Stroke,1994,25:2435 -2439.
2Pan XM,Saloner D,Reilly LM,et al.Assessment of carotid artery stenosis by ultrasonography,conventional angiography,and magnetic resonance angiography:correlation with ex vivo measurement of plaque stenosis.J Vasc Surg,1995,21:82 -89.
3Nonent M,Serfaty JM,Nighoghossian N,et al.Concordance rate differences of 3 noninvasive imaging techniques to measure carotid stenosis in clinical routine practice:results of the CARMEDAS multiceuter study.Stroke,2004,35:682 -686.
4Steinke W,Ries S,Artemis N,et al.Power Doppler imaging of carotid artery stenosis.Comparison with color Doppler flow imaging and angiography.Stroke,1997,28:1981-1987.
5Pellerito JS.Current approach to peripheral arterial sonography.Radiol Clin North Am,2001,39:553-567.
6Grant EG,Benson CB,Moneta GL,et al.Carotid artery stenosis:gray-scale and Doppler US diagnosis-Society of Radiologists in Ultrasound Consensus Conference.Radiology,2003,229:340 -346.
7deBray JM,Glatt B.quantitation of atheromatous stenosis in extracranial internal carotid artery.Cerehrovasc Dis,1995,5:414 -426.
8Hathout GM,Fink JR,El-Saden SM,et al.Sonographic NASCET index:a new doppler parameter for assessmeut of internal carotid artery stenosis.AJNR Am J Neuroradiol,2005,26:68-75.
9Bluth EI,Stavros AT,Marich KW,et al.Carotid duplex sonography:a multicenter recommendation for standardized imaging and Doppler criteria.Radiographics,1988,8:487 -506.
10Neale ML,Chambers JL,Kelly AT,et al.Reappraisal of duplex criteria to assess significant carotid stenosis with special reference to reports from the North American Symptomatic Carotid Endarterectomy Trial and the European Carotid Surgery Trial.J Vasc Surg,1994,20:642 -649.