Syphilis in pregnant women: a comparative analysis of the North region of Brazil in the period 2016 to 2018. Research, Society and Development, [S. l.], v. 9, n. 11, p. e1189119547, 2020. DOI: 10.33448/rsd-v9i11.9547. Disponível em: https://rsdjournal.org/rsd/article/view/9547. Acesso em: 14 dec. 2025.