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”, J Popl Ther Clin Pharmacol, vol. 30, no. 4, pp. 552–559, Jun. 2023.