1. UNAIDS. Global Report: UNAIDS Report on the Global AIDS epidemic: 2012 [Internet]. [Geneva]: UNAIDS; 2012 [cited 2013 Aug 6]. Available from: http://www.unaids.org/en/media/unaids/contentassets/documents/epidemiology/2012/gr2012/20121120_UNAIDS_Global_Report_2012_en.pdf .
2. United Nations. The Millennium Development Goals Report, 2013 [Internet]. United Nations; 2013. Available from: http://mdgs.un.org/unsd/mdg/Resources/Static/Products/Progress2013/English2013.pdf .
3. UNAIDS. Global report: UNAIDS report on the global AIDS epidemic: 2010. Geneva: Joint United Nations Programme on HIV/AIDS; 2010.
4. WHO. PMTCT strategic vision 2010-2015 preventing mother-to-child transmission of HIV to reach the UNGASS and Millennium Development Goals: moving towards the elimination of paediatric HIV. [Internet]. Geneva: World health organization; 2010 [cited 2013 Aug 6]. Available from: http://www.who.int/hiv/pub/mtct/strategic%5Fvision.pdf .
5. Laher F, Cescon A, Lazarus E, Kaida A, Makongoza M, Hogg RS, et al. Conversations with mothers: exploring reasons for prevention of mother-to-child transmission (PMTCT) failures in the era of programmatic scale-up in Soweto, South Africa. AIDS Behav. 2012;16(1):91–8.