1Sim E, Vaccaro AR, Berzlanovich A,et al. Fenestration of the extracraial vertebral artery: review of the literature. Spine, 2001,26: 139
2Goddard A J, Annesley-Williams D, Guthrie JA,et al. Duplication of the vertebral artery: report of two eases and review of the literature. Neuroradiology, 2001, 43:477
3Lonete C, Omojola MF. MR Angiographie demonstration of bilateral duplication of the extracranial vertebal artery : unusual course and review of the literature. Am J Neuroradiol, 2006, 27 : 1304
7George B, Laurian C. The Vertebral Artery: Pathology and Surgery[M]. New York: Springer: Verlag, 1987. 327-329.
8Chaturvedi S,Lukovits T,Chen W et al. Ischemia in the Territory of a Hypoplastic Vertebrobasilar System[J]. Neurology, 1999,52 (2) : 980-983.
9Amazaki M,Koda M, Aramomai Ma, et al. Anomalous Vertebral Artery at the Extraosseous and Intraosseous Regions of the Cranio Vertebral Junction.. Analysis by Three-dimensional Computed Tomography Angiography[J]. Spine, 2005,30(21) :2452-2457.
10Goddard AJ,Annesley-W illiams D, Guthrie JA, et al. Duplication of the Vertebral Artery;Report of Two Cases and Review of the Literature[J]. Neuroradiology,2001,43(6) :477-480.