Mohamed Moussa ME, Awad HG, Hamid HS, Abdellatif A, Sharaf A. A comparative study between femoral nerve block and intravenous ketamine for pain management during positioning for spinal anesthesia in elderly patients with femur fracture. apic [Internet]. 13Jun.2022 [cited 15Nov.2024];26(3):297-03. Available from: https://mail.apicareonline.com/index.php/APIC/article/view/1895