1. Abdulla, W, Sehhati, Gh & Frey, R (1976). Komplikationen der Regionalanästhesie. Münch. Med. Wschr., 118, 1315–1318.
2. Abroms, I F, Bresnan, M J et al. (1973). Cervical cord injuries secondary to hyper-extension of the head in breech presentations. Obstet. Gynecol., 41, 369–378.
3. Adams, Ch (1976). Cervical spondylotic radiculopathy and myelopathy. In Handbook of Clinical Neurology, vol. 26, ed. P. J. Vinken, G. W. Bruyn, North-Holland Publ. Comp., Amsterdam-Oxford, pp. 97–112.
4. Allen, J P (1976). Spinal cord injury at birth. In Handbook of Clinical Neurology, vol. 25, ed. P. J. Vinken, G. W. Bruyn, North-Holland Publ. Comp., Amsterdam-Oxford, pp. 153–173.
5. Aufdermaur, M (1974). Spinal injuries in juveniles. Necropsy findings in 12 cases. J. Bone Jt. Surg., 46-B, 513–519.