1. Loose cartilage from intervertebral disc simulating tumour of the spinal cord;Dandy, W.E.;Archives of Surgery,1929
2. Surgical treatment of lumbar discs. A follow-up study;Franklin, E.; Webb, H.J.;Journal of the International College of Surgeons,1963
3. A study of causes of failures in herniated intervertebral disc operation. An analysis of sixtyseven reoperated cases;Greenwood, M.D.; McGuire, M.D.; Kimbell, F.;Journal of Neurosurgery,1952
4. Herniated lumbar intervertebral discs. An analysis of 1176 operated cases;Gurdjian, E.S.; Webster, J.E.; Ostrowski, A.Z.;Journal of Trauma,1961
5. Reoperative surgery for multiple disc protrusions;Jain, K.K.;Journal of the International College of Surgeons,1974