CURY, J. A.; WALSH, K. I.; VIEIRA, W.; RICALDI, J. Fluoride concentration in Peruvian salts determined with specific electrode by the direct method. Brazilian Journal of Oral Sciences, Limeira, SP, v. 17, p. e18486, 2018. DOI: 10.20396/bjos.v17i0.8652655. Disponível em: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8652655. Acesso em: 3 oct. 2022.