Akhtar, R. R., R. Ahmed, Waqas Ali, and H. Waris. “Comparison Of Epidural Analgesia Vs Intraoperative Peri-Articular Injection For Pain Management Following Total Knee Arthroplasty”. Journal of Rawalpindi Medical College, vol. 28, no. 3, Sept. 2024, doi:10.37939/jrmc.v28i3.2607.