1. Abbe, R.: A contribution to the surgery of the spine. Med. Ree. (N.Y.) 35, 149 – 152 (1889).
2. Abbe, R.: Intradural section of the spinal nerves for neuralgia. Boston med. surg. J. 135, 329 (1896).
3. Abbott, K. H., Retter, R. H.: Anterolateral cordotomy for intractable pain following unsuccessful disc surgery: a review of fourteen cases. Bull. Los Angeles neurol. Soc. 23, 112 – 118 (1958).
4. Achelis, J. D.: Untersuchungen über die Hautsensibilität. VI. Zur Theorie des Schmerzes. Pflügers Arch. ges. Physiol. 242, 644 – 664 (1939).
5. Adrian, E. D.: The basis of sensation. London: Christophers 1928.