1. 1. NACP-MOH T . National AIDS Control Programme HIV/AIDS/STD Surveillance, Report Number 19. October 2005.
2. 2. Leitner T , Foley B , Hahn B , Marx P , McCutchan F , Mellors J , Wolinksy S , et al. HIV Sequence Compendium 2006/7; 2007.
3. Global epidemiology of HIV;McCutchan;J Med Virol,2006
4. Understanding the genetic diversity of HIV-1;McCutchan;AIDS (London, England),2000
5. The emerging genetic diversity of HIV. The importance of global surveillance for diagnostics, research, and prevention;Hu;JAMA,1996