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2. United States Census Bureau Population Division. Table 4: estimates of the resident population by race and Hispanic origin for the United States and States: July 1, 2008 [Accessed 23 Nov 2009]. Available from: http://www.census.gov/popest/states/asrh/SC-EST2008-04.html .
3. United States Census Bureau. American Community Survey 3-year estimates. Table B01001. Sex by age (Hispanic or Latino)—Universe: Hispanic or Latino Population: 2006–2008 [Accessed 23 Nov 2009].
4. Hamilton BE, Martin JA, Ventura SJ. Births: preliminary data for 2007. National vital statistics reports, Web release. Hyattsville: National Center for Health Statistics; 2009.
5. Lundeen A. California’s teen birth rate reaches record low. California Department of Public Health News Release. 22 Feb 2010.