42，Errington ML,Ferguson JM,Gillespie IN，et al.Complete pre-operative imaging assessment of adbominal aortic aneurysm with spiral CT angiography.Clinical Radiology,1997，52:369
55，Carotid stenosis:a comparison between MR and spiral CT angiography.Neuroradiology,1998，40:367
66，Farres MT,Magometschnig H,Trattnig S，et al.Spiral CT angiography:study of stenoses and calcification at the origin of the vertebral artery.Neuroradiology,1996，38:738
77，Seemann MD,Englmier K,Schumann DR，et al.Evaluation of the carotid and vertebral arteries:comarison of 3D SCTA and IA-DSA-work in progress.Rurope Radiology,1999，9:105
8Citow JS,Macdonald RL.Posterior decompression of the vertebral artery narrowed by cervical osteophyte:case report[J].Surg Neurol,1999,51:495～499.
9Willis BK, Greiner F,Orrison WW,et al.The incidence of vertebral artery injury after midcervical spine fracture or subluxation[J]. Neurosurgery,1994,34:435～442.
