1. UNAIDS/World Health Organization. AIDS epidemic update, December 2006. [Acceso 6 diciembre 2006.] Disponible en: http://data.unaids.org/pub/EpiReport/2006/2006_EpiUpdate_en.pdf
2. UNAIDS. HIV-related opportunistic diseases: UNAIDS technical update. October 1998. [Acceso 6 diciembre 2006.] Disponible en: http://www.who.int/3by5/en/opportu_en_pdf.pdf
3. HIV infection and tropical parasitic diseases: deleterious interactions in both directions?;Harms;Trop Med Int Health,2002
4. The impact of HIV infection on tropical diseases;Harms;Infect Dis Clin North Am,2005
5. Global epidemiology of HIV;McCutchan;J Med Virol,2006