Raja, K. S., and M. Ravi. 2018. “Evaluation of Functional Outcome of Lumbar Spondylolisthesis Treated With Posterior Lumbar Interbody Fusion With Instrumentation”. International Journal of Research in Orthopaedics 4 (4):629-33. https://doi.org/10.18203/issn.2455-4510.IntJResOrthop20182736.