1. World Health Organization (2007) Joint United Nations Programme on HIV/AIDS. AIDS epidemic update: December 2007. Geneva: World Health Organization.
2. World Health Organization (2002) Hepatitis C. Geneva: World Health Organization.
3. World Health Organization (2004) Hepatitis B. Geneva: World Health Organization.
4. World Health Organization (2001) Global prevalence and incidence of selected curable sexually transmitted infections: overview and estimates. Geneva: World Health Organization.
5. Transfusion-transmitted infections inmulti-transfused patients in Honduras;E Vinelli;J Clin Virol,2005