KUMAR, S.; ., P. Dexmedetomidine and fentanyl for epidural analgesia in lower limb orthopedic surgeries: a comparative evaluation. International Journal of Advances in Medicine, [S. l.], v. 6, n. 2, p. 511–514, 2019. DOI: 10.18203/2349-3933.ijam20191167. Disponível em: https://www.ijmedicine.com/index.php/ijam/article/view/1550. Acesso em: 2 jan. 2026.