Gaio, E.; Franco, A.; Herval, Álex M.; Rodrigues, R. P. C. B.; Bernardino, Ítalo de M.; Paranhos, L. R.; Rigo, L. Multivariate Analysis of Periodontal Disease and Associated Risk Factors in a Population of South Brazil. Acta Sci. Health Sci. 2019, 41, e45019.