@article{soares_gonzaga_jorge_barraviera_2004,  title={Oral manifestations of syphilis: a review},  volume={10},  ISSN={1678-9199},  url={https://doi.org/10.1590/S1678-91992004000100002},  DOI={10.1590/S1678-91992004000100002},  number={1},  journal={Journal of Venomous Animals and Toxins including Tropical Diseases},  publisher={Centro de Estudos de Venenos e Animais Peçonhentos (CEVAP/UNESP)},  author={Soares, A.B. and Gonzaga, H.F.S. and Jorge, M.A. and Barraviera, S.R.C.S.},  year={2004},  pages={2–9} }