S. J. Giraldo, R. Mossos, M. M. Muñoz, C. L. Perea, and C. Prado, “Prevalence of cavities and periodontal diseases in school age children in Cali’s public school district in the year 2005”., Colomb Med, vol. 39, no. 1 Supl 1, pp. 47–50, Mar. 2008.