1. Lumbar Disc Lesions;Armstrong, J.R.,1965
2. Plain radiography in intraspinal protrusion of lumbar intervertebral disks: a correlation with operative findings;Begg, A.C.; Falconer, M.A.;Brit. J. Surg,1949
3. The Intervertebral Disc;Bradford, F.K.; Spurling, R.G.,1945
4. The intervertebral disc; its microscopic anatomy and pathology;Coventry, M.B.; Ghormley, R.K.; Kernohan, J.W.;J. Bone Jt Surg,1945
5. Concealed ruptured intervertebral disks;Dandy, W.E.;J. Amer. med. Ass,1941