N, R.; P, M. R.; ALI, M. M. Effect of intravenous infusion of magnesium sulphate on postoperative analgesia in patients undergoing arthroscopic knee surgeries under spinal anaesthesia. International Journal of Basic & Clinical Pharmacology, [S. l.], v. 6, n. 2, p. 291–297, 2017. DOI: 10.18203/2319-2003.ijbcp20170046. Disponível em: https://www.ijbcp.com/index.php/ijbcp/article/view/680. Acesso em: 13 nov. 2025.