Souza, Lúcia M S, José C Nery, and Arnaldo FB Andrade. “Co-infecção Between Syphilisand Human Papilomavirus: Brokena Vertical Transmission Chain”. Brazilian Journal of Sexually Transmitted Diseases 18, no. 4 (December 1, 2006): 266–269. Accessed May 1, 2024. https://www.bjstd.org/revista/article/view/683.