Lumbar disk lesions in retrospect and prospect: Joseph S. Barr. Address tape-recorded May 1961.
D049673:History, 20th Century; D006801:Humans; D007403:Intervertebral Disc; D009985:Orthopedics / Q000266:history; D013122:Spinal Diseases / Q000266:history* / Q000473:pathology; D014481:United States