1. CDC: HIV/AIDS surveillance report. Atlanta, Georgia: US Department of Health and Human Services, Public Health Service: CDC; 1997:(Vol 9, no. 1).
2. UNAIDS: 2004 Report on the Global AIDS Epidemic: executive summary. Joint United Nations Programme on HIV AIDS; 2004.
3. Primary human immunodeficiency virus type 1;Sooqoor;Curr HIV/AIDS Rep,2005
4. New concepts in the immunopathogenesis of human immunodeficiency virus infection;Pantaleo;N Engl J Med,1993