Case report: bone alterations of congenital syphilis refractory to treatment in a 7-year-old schoolboy. Research, Society and Development, [S. l.], v. 10, n. 17, p. e253101724851, 2021. DOI: 10.33448/rsd-v10i17.24851. Disponível em: https://rsdjournal.org/rsd/article/view/24851. Acesso em: 5 dec. 2025.