1. Trends in paediatric dental caries by poverty status in the United States, 1988-1994 and 1999-2004
2. Dental Health Foundation, the 2006 oral health needs assessment of children. dentalhealthfoundation.org/images/lib_PDF/dhf_2006_report.pdf. Accessed Aug. 8, 2011.
3. Child and Adolescent Health Measurement Initiative. 2007 National Survey of Children’s Health, Data Resource Center for Child and Adolescent Health. nschdata.org. Accessed Aug. 8, 2011.