Predicting Outcomes in Posterior Lumbar Interbody Fusion Surgery Using the Kaplan-Feinstein Comorbidity Index. Bangla J. Neurosurgery [Internet]. 2026 Apr. 23 [cited 2026 Jul. 3];14(2):85-9. Available from: https://banglajol.info/index.php/BJNS/article/view/89023