1. Report on the global HIV/AIDS epidemic;Joint United Nations Programme on HIV/AIDS (UNAIDS) and World Health Organization (WHO),2000
2. How does male circumcision protect against HIV infection?;Szabo;BMJ,2000
3. On the influence of circumcision in preventing syphilis;Hutchinson;Medical Times and Gazette,1885
4. A possible explanation for heterosexual male infection with AIDS;Fink;N Engl J Med,1986
5. The African AIDS epidemic;Caldwell;Sci Am,1996