Shah AA, Islam MU, Ahmad I, Islam A, Gillani SAS, Farooq MA, Shahid M, Ali FA. Intrathecal Fentanyl with Small-Dose Bupivacaine: Stable Hemodynamics in Geriatric Population Undergoing Orthopedic Surgery: Intrathecal Fentanyl with Small-Dose Bupivacaine. PBMJ [Internet]. 2022 Apr. 30 [cited 2024 Nov. 23];5(4):239-43. Available from: https://pakistanbmj.com/journal/index.php/pbmj/article/view/381