EL Araby Abd ELhameed, Sally Mohamed, et al. “Unilateral Subarachnoid Block for Anesthesia and Analgesia in Elderly Undergoing Femoral Thrombectomy”. Journal of Neonatal Surgery, vol. 13, no. 1, Oct. 2024, pp. 1824-6, https://jneonatalsurg.com/index.php/jns/article/view/9648.