[1]
Freire, M. do C.M. et al. 1997. The prevalence of dental caries and necessary treatment in six to twelve years old schoolchildren in Brazil, 1994 . Revista de Saúde Pública. 31, 1 (Feb. 1997), 44–52. DOI:https://doi.org/10.1590/S0034-89101997000100007.