@article{leão_gueiros_porter_2006, title={Oral manifestations of syphilis}, volume={61}, ISSN={1807-5932}, url={https://doi.org/10.1590/S1807-59322006000200012}, DOI={10.1590/S1807-59322006000200012}, number={2}, journal={Clinics}, publisher={Faculdade de Medicina / USP}, author={Leão, Jair Carneiro and Gueiros, Luiz Alcino and Porter, Stephen R.}, year={2006}, month={Apr}, pages={161–166} }