1. Imparato, A. M., Riles, T. S. Kim, G. E. (1981). Cervical vertebral angioplasty for brain stem ischemia. Surgery, 90, 842–852
2. Mettinger, K. L. and Ericson, K. (1982). Fibromuscu- lar dysplasia and the brain. 1. Observations on angiographic, clinical and genetic characteristics. Stroke, 13, 46 - 52
3. Bloss, R. S., Duncan, J. M., Cooley, D. A. et al (1979). Takayasu’s arteritis: surgical considerations. Ann. Thorac. Surg., 27, 574–579
4. Fisher, CM., Ojemann, RG. Roberson, GH. (1978). Spontaneous dissection of cervico-cerebral arteries. Can. J. Neurol. Sci., 5, 9–19
5. Hardin, C. A. (1965). Vertebral artery insufficiency produced by cervical osteoarthritic spurs. Arch. Surg., 90, 629–633