Combined Spinal Epidural Analgesia in Labour – Comparison between  Levobupivacaine with Fentanyl and Fentanyl alone in  Intrathecal Component. Journal of the Bangladesh Society of Anaesthesiologists, [S. l.], v. 36, n. 1, p. 9–15, 2026. DOI: 10.3329/jbsa.v36i1.91618. Disponível em: https://www.banglajol.info/index.php/JBSA/article/view/91618. Acesso em: 20 jul. 2026.