Pallos, D., Loberto, J. C. S., Cortelli, J. R., Cortelli, S. C., Souza, D. M., & Ricardo, L. H. (2015). Periodontal disease in a rural community in Minas Gerais, Brazil. Brazilian Journal of Oral Sciences, 4(12), 659–663. https://doi.org/10.20396/bjos.v4i12.8641791