1. AIDS Epidemic Update: December 2004. Joint United Nations Programme on HIV/AIDS. Geneva: World Health Organization; 2004.
2. Centers for Disease Control and Prevention: HIV/AIDS: Surveillance Report 2003, vol 15. Centers for Disease Control and Prevention website. Atlanta: US Department of Health and Human Services, Centers for Disease Control and Prevention; 2003:1–46. http://www.cdc.gov./hiv/topics/surveillance/resources/reports . Accessed April 10, 2008.
3. Centers for Disease Control and Prevention: HIV/AIDS Surveillance Report 1998, vol 10, no 2. Centers for Disease Control and Prevention website. Atlanta: US Department of Health and Human Services, Centers for Disease Control and Prevention; 1998:1–43. www.cdc.gov./hiv/stats/hasrlink.htm. Accessed April 10, 2008.
4. US Census Bureau: Census Brief: Women in the United States: a Profile. March 2000. US Census Bureau website. http://www.census.gov/prod/www.abs/populatio.html . Accessed April 10, 2008.
5. Centers for Disease Control and Prevention. HIV Prevention in the Third Decade. Centers for Disease Control and Prevention website. Atlanta: US Department of Health and Human Services, Centers for Disease Control and Prevention; 2003. http://www.cdc.gov/hiv/resources/reports/hiv3rddecae/index.html . Accessed April 10, 2008.