Lorenzi, Dino R.S. De, et al. “Prevalence of Congenital Syphilis at the Hospital Geral De Caxias Do Sul-RS Among 1998-2002”. Brazilian Journal of Sexually Transmitted Diseases, vol. 17, no. 1, Mar. 2005, pp. 5-9, https://bjstd.org/revista/article/view/543.