MICHALCZYK, Michał; TORBÉ, Dorota; TORBÉ, Andrzej. Non-pharmacological methods of labor pain relief. Journal of Education, Health and Sport, [S. l.], v. 8, n. 9, p. 1105–1114, 2018. Disponível em: https://apcz.umk.pl/JEHS/article/view/6023. Acesso em: 31 mar. 2025.