1Heautot JF, Chabert E, Gandon Y, et al. Analysis of cerebrovascular diseases by a new 3-demensional computerized X-ray angiography system. Neuroradiology, 1998, 40:203-209.
2Missler U, Hundt C, Wiesmann M, et al. Three-demensional reconstructed rotational digital subtraction angiography in planning treatment of intracranial aneurysms. Eur Radiol, 2000, 10: 564-568.
3Anxionnat R, Bracard S, Ducrocq X, et al. Intracranial aneurysms: clinical value of 3D digital subtraction angiography in the therapeutic decision and endovascular treatment. Radiology, 2001,218:799-808.
4Kalender WA, Seissler W, Klotz E, et al. Spiral volumet ric CT with single-breath-hold technique, continuous transport, and continuous scanner rotation[J]. Radiology, 1990, 176(1): 181-183.
5Anderson GB, Findlay JM, Steinke DE. Experience with computed tomographic angiography for the detection of intracranial aneurysms in the setting of acute subarach noid hemorrhage[J]. Neurosurgery, 1997, 41(3): 522-528.
6Anderson GB, Steinke DE, Petruk KC. Computed tomographic angiography versus digital subtraction angiography for the diagnosis and early treatment of ruptured intracranial aneurysms[J]. Neurosurgery, 1999, 45(6): 1315-1322.
7Villablanca JP, Martin N, Jahan R, et al. Volume-rendered helical computerized tomography angiography in the detection and characterization of intracranial aneurysms[J]. J Neurosurg, 2000, 93(2): 254-264.
8Brown JH, Lustrin ES, Lev MH. Reduction of aneurysm clip artifacts on CT angiograms: a technical note[J]. Am J Neuroradiol, 1999, 20(4): 694-696.
9Katada K. Half-second, half-millimeter real-time multislice helical CT: CT diagnosis using AQUILIONTM[J]. Med Review, 1999, 68(1): 31-38.
10Vieco PT, Morin EE 3rd, Gross CE. CT angiography in the examination of patients with aneurysm clips [J]. Am J Neuroradiol, 1996, 17(3): 455-457.
5Wintermarka NU,Koc WS,Smithc S,et al.Vasospasm after subarachnoid hemorrhage:utility of perfusion CT and CT angiography on diagnosis and management[J].AJNR,2006,7(1):26-34.
6Vassil P,Stanislav H,Daniela T,et al.Some variations of the circle of Willis,important for cerebral protection in aortic surgery-a study in eastern europeans[J].Eur J Cardiothorac Surg,2007,31(5):982-989.
7Nestor G,Mark S,Neil M,et al.Impact of anatomic features in the endovascular embolization of 181 anterior communicating artery aneurysms[J].Stroke,2008,39(10):2776-2782.
8Hendrikse J,van Raamt AF,van der Graaf Y,et al.Distribution of cerebral blood flow in the circle of Willis[J].Radiology,2005,235(1):184-189.
9Alnaes MS,Isaksen J,Mardal KA,et al.Computation of hemodynamics in the circle of Willis[J].Stroke,2007,38(5):2500-2505.
10Velthuis BK,Rinkel GJ,Ramos LM, et al. Subarachnoid hemorrhage:aneurysm detection and preoperative evaluation with CT angiography[J]. Radiology,1998,208(2) :423- 430.