1. Baker, W. H., Dorner, D. B., Barnes, R. W.: Carotid endarterectomy: Is an indwelling shunt necessary? Surgery 82, 321 (1977).
2. Bardin, J. A., Bernstein, E. F., Humber, P. B., Collins, G. M., Dilley, R. B., Devin, J. B., Stuart, S. H.: Is carotid endarterectomy beneficial in prevention of recurrent stroke? Arch. Surg. 117, 1401 (1982).
3. Benhamou, A. C., Kieffer, E., Tricot, J. F., et al. Carotid artery surgery in patients over 70 years of age. Int. Surg. 66, 199 (1981).
4. Bland, J. E., Lazar, M. L.: Carotid endarterectomy without shunt. Neurosurgery 8, 153 (1981).
5. Callow, A. D., Matsumoto, G., Baker, D., Cossman, D., Watson, W.: Protection of the high risk carotid endarterectomy patient by continuous electroencephalography. J. Cardiovasc. Surg. 19, 55 (1978).