Prophylactic Use of Ketamine and Tramodol for the Prevention of Intra-Operative Shivering in Lower Limb Surgeries Done in Spinal Anesthesia. Medical Forum Monthly, [S. l.], v. 31, n. 7, 2024. Disponível em: https://medicalforummonthly.com/index.php/mfm/article/view/2323.. Acesso em: 26 dec. 2025.