Contreras, Ivania, 		Contreras, Estefanía, 		Araneda, Pamela, Y 		Solis, Beatriz.
" Oral health status in 12 to 17-year-old school children from Valle Nonguén, Concepción, 2013" <em>Journal of Oral Research</em> [En línea], Volumen 2 Número 3 (5 November 2013)