A Comparative Study of Low-Dose Intrathecal Bupivacaine 0.5% (heavy), Levobupivacaine 0.5% (plain), and Levobupivacaine 0.5% (heavy) With Fentanyl As an Adjuvant in Transurethral Resection of Prostate Surgery: A Prospective Randomized Study. Asian J Med Sci 2024, 15 (9), 21-27. https://doi.org/10.3126/ajms.v15i9.67682.