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2. Child Trends Data Bank. (2007). Teen births. Retrieved from http://www.childtrendsdatabank.org/pdf/13_PDF.pdf
3. Child Welfare Information Gateway. (2007). Definitions of child abuse and neglect: State statutes series. Retrieved from http://www.childwelfare.gov/systemwide/laws_policies/statutes/define.cfm.
4. The new day at its dawn: Evidence is back, but politics endures;Cohen;Guttmacher Policy Review,2009
5. Youth risk behavior surveillance—United States, 2007;Eaton;MMWR Surveillance Summaries,2008