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2. Douglas-Hall A, Chau M. Basic facts about low-income children. National Center for Children in Poverty Web site. Available at: http://www.nccp.org/publications/pub_845.html. Accessed August 28, 2009.
3. Children's Defense Fund. Child Poverty in America. Available at: http://www.childrensdefense.org/child-research-data-publications/data/child-poverty-in-america.pdf. Accessed August 28, 2009.
4. Census Bureau estimates nearly half of children under age 5 are minorities: estimates find nation's population growing older, more diverse [press release]. Washington, DC: US Census Bureau; May 14, 2009. Available at: http://www.census.gov/press-release/www/releases/archives/population/013733.html. Accessed August 28, 2009.
5. Surveillance for Dental Caries, Dental Sealants, Tooth Retention, edentulism, and Enamel Fluorosis – United States, 1988–1994 and 1999–2002;Beltrán-Aguilar;MMWR Surveill Summ,2005