MICHALCZYK, Michał; TORBÉ, Dorota; TORBÉ, Andrzej. Pharmacological methods of pain relief during labor. Journal of Education, Health and Sport, [S. l.], v. 8, n. 8, p. 1165–1174, 2018. Disponível em: https://apcz.umk.pl/JEHS/article/view/6129. Acesso em: 20 apr. 2025.