Freire Júnior, Manoel Bastos, Georges Kelbert de Albuquerque Freire, and Humberto Rochimin Fernandes. “Syphilis Screening During Prenatal Development: Missed Opportunities in a Public Maternity Hospital in Recife, Brazil”. Brazilian Journal of Sexually Transmitted Diseases 28, no. 4 (November 6, 2016): 120–125. Accessed May 5, 2024. https://www.bjstd.org/revista/article/view/780.