Barros, Y.L.S. de ., Fecury, A.A., Oliveira, E. de ., Dendasck, C.V., Araújo, M.H.M. de ., Souza, K.O. da ., Dias, C.A.G. de M., 2020. Numbers of confirmed syphilis cases in pregnant women in Brazil between 2009 and 2013.. https://doi.org/10.32749/nucleodoconhecimento.com.br/health/syphilis-cases