8Weinstein R S, Jil Karl, Parfitt A M, et al. Inhibition of osteoblastogenesis and promotion of apoptosis of osteoblasts and osteocytes by glucocorticoids: potentia| mechanisms of their deleterious effects on bone [ J 1. Clin Invest, 1998,15 : 102.
9Citow JS,Macdonald RL.Posterior decompression of the vertebral artery narrowed by cervical osteophyte:case report[J].Surg Neurol,1999,51:495~499.
10Willis 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.