HERRERA GÓMEZ, Pedro José; MEDINA, Paula Andrea. Problems in obstetric analgesia. Colombian Journal of Anesthesiology, [S. l.], v. 42, n. 1, p. 37–39, 2014. Disponível em: https://www.revcolanest.com.co/index.php/rca/article/view/623. Acesso em: 28 apr. 2024.