Paez, M. and Riveros, M.I.R. 2006. Epidemiologic Situation of the Congenital and Maternal Syphilis in thesub Public sectorsub Public sectorsub Public sectorsub Public sectorsub Public Sector, Paraguay – 2000-2004. Brazilian Journal of Sexually Transmitted Diseases. 18, 2 (Jun. 2006), 117–123.