@article{jordão_vasconcelos_moreira_freire_2015,  title={Dental fluorosis: prevalence and associated factors in 12-year-old
               schoolchildren in Goiânia, Goiás},  volume={18},  ISSN={1415-790X},  url={https://doi.org/10.1590/1980-5497201500030004},  DOI={10.1590/1980-5497201500030004},  number={3},  journal={Revista Brasileira de Epidemiologia},  publisher={Associação Brasileira de Saúde Coletiva},  author={Jordão, Lidia Moraes Ribeiro and Vasconcelos, Daniela Nobre and Moreira, Rafael da Silveira and Freire, Maria do Carmo Matias},  year={2015},  month={Jul},  pages={568–577} }