Epidemiological profile of gestational syphilis in Northeast Brazil . Research, Society and Development, [S. l.], v. 10, n. 11, p. e339101119626, 2021. DOI: 10.33448/rsd-v10i11.19626. Disponível em: https://rsdjournal.org/rsd/article/view/19626. Acesso em: 5 dec. 2025.