1. Significance of spinal fluid protein levels in disc pathology;Albert, S.M.; Rechtman, A.M.; Kremens, V.;Pennsylvania Medicine,1955
2. Prognosis of operatively treated lumbar disc herniations causing foot extensor paralysis;Anderson, H.; Carlsson, C.;Acta Chirurgica Scandinavica,1966
3. Clinical and myelographic studies of conservatively treated cases of lumbar intervertebral disc protrusion;Berg, A.;Acta Chirurgica Scandinavica,1953
4. Review of the present position in spinal intervertebral disc disease;Chariton, W.S.;Medical Journal of Australia,1962
5. A reappraisal of intervertebral disc lesions;Crock, H.V.;Medical Journal of Australia,1970