1. World Health Organization (WHO) Global HIV/AIDS response. Epidemic update and health sector progress towards universal access. Progress report 2011 http://whqlibdoc.who.int/publications/2011/9789241502986_eng.pdf
2. World Health Organization (WHO) Antiretroviral therapy for HIV infection in infants and children: towards universal access. Recommendations for a public health approach http://whqlibdoc.who.int/publications/2010/9789241599801_eng.pdf
3. Mother-to-child transmission of HIV infection in the era of highly active antiretroviral therapy;European Collaborative Study;Clin Infect Dis,2005
4. US Public Health Service Task Force Recommendations for use of antiretroviral drugs in pregnant HIV-infected women for maternal health and interventions to reduce perinatal HIV transmission in the United States http://aidsinfo.nih.gov/contentfiles/PerinatalGL.pdf
5. Low rates of mother-to-child transmission of HIV following effective pregnancy interventions in the United Kingdom and Ireland, 2000-2006;Townsend;AIDS,2008