FAISALWAHID,FAIZ-UR-REHMAN,AFTABHUSSAIN, FaisalW...,F.-ur-R...,A.H.. Comparison of Tramadol and Pethidine for the treatment of shivering during spinal anesthesia. Journal of Rawalpindi Medical College, Rawalpindi, Pakistan, v. 23, n. 3, 2019. Disponível em: https://www.journalrmc.com/index.php/JRMC/article/view/1202. Acesso em: 5 nov. 2025.