TRANSFORMING POST-OPEN NEPHRECTOMY PAIN CONTROL: THE ROLE OF THE ERECTOR SPINAE PLANE BLOCK IN PROVIDING ANALGESIA DURING PERIOPERATIVE PERIOD. A RANDOMIZED CONTROLLED TRIAL: ESPB In Open Nephrectomy. Biosci. Insights. 2026;3(3):389-408. Accessed November 13, 2026. https://www.biosciinsights.com/index.php/BI/article/view/234