Dr. Swathi Gundlakunta; Dr. G. Chaitanya Kumar; Dr. R. Prabavathi; Dr. Dhanasri. Y; Dr. Avula Charan Teja Reddy; Dr. Rupa Reddy. COMPARISON OF NALBUPHINE VS DEXAMETHASONE WITH LEVOBUPIVACAINE IN ULTRASOUND-GUIDED ERECTOR SPINAE PLANE BLOCK FOR PCNL SURGERIES: A COMPARATIVE OBSERVATIONAL STUDY. J Popl Ther Clin Pharmacol 2024, 31 (9), 2121-2129. https://doi.org/10.53555/bz79c090.