1. Rabinovitch, R.: Diseases of the Intervertebral Disc and Its Surrounding Tissues. Springfield, Illinois, Charles C Thomas, 1961, 152 pp.
2. The Clinical Manifestations of Spondylochondrosis (Spondylosis) of the Cervical Spine*
3. Bradford, F. K. and Spurling, R. G.: The Intervertebral Disc. Springfield, Illinois, Charles C Thomas, 1941.