Dimmiti Dinesh Raja, Vanagondi Sivakumar, Doli Suresh Chander, Nagasri Sowmya. Efficacy of Intrathecal Nalbuphine Over Fentanyl as Adjuvant with Ropivacainein Lower Abdominal and Lower Limb Surgeries. IARJMSR. 2022;3(3):14-21. doi:10.47310/iarjmsr.2022.V03i03.04