[1]
P. C. Narvai, R. A. Castellanos, and P. Frazão, “ Dental caries prevalence in permanent teeth of schoolchildren in Brazil, 1970-1996 ”, Rev. saúde pública, vol. 34, no. 2, pp. 196–200, Apr. 2000, doi: 10.1590/S0034-89102000000200015.