Mahure, S. M., R. P. Chavan, K. Dedhiya, and D. B. Amle. “Comparative Analysis of Combined Spinal Epidural and Spinal Plus Single Shot Femoral Nerve Block As Post-Operative Analgesia in Total Knee Replacement Surgery”. Asian Journal of Medical Sciences, vol. 12, no. 7, July 2021, pp. 58-63, doi:10.3126/ajms.v12i7.35857.