1. Sexually transmitted diseases treatment guidelines, 2010;Centers for Disease Control and Prevention;Morbidity and Mortality Weekly Report Recommendations and Reports,2010
2. Centers for Disease Control and Prevention 2012a Estimated HIV incidence among adults and adolescents in the United States, 2007-2010 http://www.cdc.gov/hiv/pdf/statistics_hssr_vol_17_no_4.pdf
3. Centers for Disease Control and Prevention 2012b Monitoring selected national HIV prevention and care objectives by using HIV surveillance data-United States and 6 US dependent areas-2010 http://www.cdc.gov/hiv/pdf/statistics_2010_HIV_Surveillance_Report_vol_17_no_3.pdf#page=3
4. Centers for Disease Control and Prevention 2013a Contraception http://www.cdc.gov/reproductivehealth/UnintendedPregnancy/Contraception.htm
5. Centers for Disease Control and Prevention 2013b Diagnoses of HIV infection in the United States and dependent areas, 2011 http://www.cdc.gov/hiv/pdf/statistics_2011_HIV_Surveillance_Report_vol_23.pdf