1. Centers for Disease Control and Prevention. (2009). Fact sheet: HIV/AIDS among youth. Available: http://www.cdc.gov/hiv/resources/factsheets/youth.htm#2 . Accessed 13 Apr 2009.
2. Centers for Disease Control and Prevention. (2009). Health risk behaviors by race/ethnicity: National YRBS 2007. Available: http://www.cdc.gov/HealthyYouth/yrbs/pdf/yrbs07_us_disparity_race.pdf . Accessed 12 Apr 2009.
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4. U.S. Department of Health and Human Services. (2009). DHHS abstinence education programs. Available: http://www.hhs.gov/asl/testify/2008/04/t20080423a.html . Accessed 14 Apr 2009.
5. Administration for Children and Families. (2009). Guidance regarding curriculum content. Available: http://www.acf.hhs.gov/programs/fysb/content/abstinence/cbaeguidance.htm . Accessed 14 Apr 2009.