1. UNAIDS. AIDS epidemic update: 2003 (UNAIDS/03.39E). UNAIDS/WHO, Geneva. December, 2003.
2. Monitoring the AIDS Pandemic (MAP) Network. The status and trends of the HIV/AIDS epidemics in the world. Washington, DC: US Bureau of the Census, International Programs Center; July 7, 2002.
3. The promise of public/private sector collaboration in the development of vaginal microbicides;Gabelnick;Int. J. Gynaecol. Obstet.,1999
4. Microbicides: a new defense against sexually transmitted diseases;Wulf,1999
5. World POPClock Projection. Accessed March 7. http://www.census.gov/cgi-bin/ipc/popclockw.