MODRZEJEWSKA, Elżbieta; TORBÉ, Dorota; TORBÉ, Andrzej. The evolution of maternal birthing positions. Journal of Education, Health and Sport, [S. l.], v. 9, n. 8, p. 807–810, 2019. Disponível em: https://apcz.umk.pl/JEHS/article/view/7184. Acesso em: 3 jul. 2025.