1. Unilateral posterior lumbar interbody fusion: simplified dowel technique;Blume;Clin Orthop,1985
2. Theoretical superiority of posterior lumbar interbody fusion;Cautilli,1982
3. The treatment of ruptured lumbar intervertebral discs by vertebral body fusion. I. Indications, operative technique, after care;Cloward;J Neurosurg,1953
4. Spondylolisthesis: treatment by laminectomy and posterior interbody fusion;Cloward,1981
5. Long-term result of PLIF;Cloward,1982