1. Abbot, W. D.: Compression of the cauda equina by the ligamentum flavum. J. Am. Med. Assoc. 106, 2129–2130 (1936)
2. Adkins, B. W. D.: Spondylolisthesis. J. Bone Jt. Surg. 37B, 48–62 (1955)
3. Alexander, E.: Significance of the small lumbar spinal canal: cauda equina compression syndromes due to spondylosis. Part. 5: Achondroplasia. J. Neurosurg. 31, 513–519 (1969)
4. Amoldi, C. C., Brodsky, A. E., Cauchoix, J., Crock, H. V., Dommisse, G. F., Edgar, M. A., Gargano, F. P., Jacobson, R. E., Kirkaldy-Willis, W. H., Kurihara, A., Langenskiold, A., Macnab, I., Mclvor, W.D., Newman, P.H., Paine, K.W.E., Russin, L.A., Sheldon, J., Tile, M., Urist, M.R., Wilson W. E., Wiltse, L.L.: Lumbar spinal stenosis and nerve root entrapment syndromes. Definition and classification. Clin. Orthop. 115, 4–5 (1976)
5. Auquier, L., Hirsch, J.F., Paolaggi, J.B., Rouques, CL., Ghozian, R: Sténose du canal rachidien lombaire et claudication sciatique. A propos de 29 cas dont 12 opérés. Rev. Rhum. 39, 429–437 (1972)