GOMEZESE, Omar Fernando; ESTUPINAN RIBERO , Brian. Obstetric analgesia: Current situation and alternatives. Colombian Journal of Anesthesiology, [S. l.], v. 45, n. 2, p. 132–135, 2017. DOI: 10.1016/j.rcae.2017.02.001. Disponível em: https://www.revcolanest.com.co/index.php/rca/article/view/271. Acesso em: 6 may. 2024.