The use of the Swiss ball to relieve pain in labor: a systematic review. Research, Society and Development, [S. l.], v. 9, n. 7, p. e50973783, 2020. DOI: 10.33448/rsd-v9i7.3783. Disponível em: https://www.rsdjournal.org/rsd/article/view/3783. Acesso em: 5 dec. 2025.