Muhammad Jamali, D., Ali, T., Liaqat Chaudhry, B., Hassan, S. R., Akhtar, N., & Saifullah Awan, M. M. (2022). Efficacy of Spinal Epidural Anesthesia and Sub Diaphragmatic Lidocaine with Spinal Anesthesia in reduction of shoulder pain: Randomized Clinical trial: Efficacy of Spinal Epidural Anesthesia and Sub Diaphragmatic Lidocaine. Pakistan BioMedical Journal, 5(5), 282-287. https://doi.org/10.54393/pbmj.v5i5.468