Abdelwahab Abdelsattar Saleh, Abdelfattah Mohammed Abdelfattah, Mohamed Hamdi Alqassas, Essam Shafiq Mohammad Abd El whab, and Mohamed Ahmed Elbadawy Mohamed. “Comparison Between Ultrasound-Guided Sciatic-Femoral Nerve Block and Unilateral Spinal Anaesthesia for Patients Undergoing Total Knee Arthroplasty; A Prospective Randomized Controlled Trial”. Journal of Population Therapeutics and Clinical Pharmacology 30, no. 4 (June 22, 2023): 552–559. Accessed July 16, 2024. https://jptcp.com/index.php/jptcp/article/view/2211.