1. WHO. Global health sector response to HIV, 200–2015: Focus on innovations in Africa: Progress report. World Health Organization, 2015.
2. Shisana O, Rehle T, Simbayi LC, Zuma K, Jooste S, Zungu N, et al. South African National HIV Prevalence, Incidence and Behaviour Survey, 2012. Cape Town: HSRC Press; 2014.
3. Patient retention in antiretroviral therapy programs in sub-Saharan Africa: a systematic review;S Rosen;Plos Med,2007
4. Patient retention in antiretroviral therapy programs up to three years on treatment in sub-Saharan Africa, 2007–2009: systematic review;MP Fox;Trop Med Int Health,2010
5. Quantifying and addressing losses along the continuum of care for people living with HIV infection in sub-Saharan Africa: a systematic review;GD Kranzer K;J Int AIDS Soc,2012