Figueiró Filho, Ernesto Antonio, Silvia S.A. Freire, Bruno A. Souza, and Cristiane M. Maedo. 2023. “Syphilis and Pregnancy: A Two-Period (2006 and 2011) Comparative Study of a Puerperal Women Population”. Brazilian Journal of Sexually Transmitted Diseases 24 (1). Niterói:38-43. https://bjstd.org/revista/article/view/1039.