1. Epidemiology of HIV Infection in the United States: Implications for Linkage to Care;RD Moore;Clinical Infectious Diseases,2011
2. WHO (2013) Global Health Observatory (GHO) data: HIV/AIDS 2013.
3. Estimates of global, regional, and national incidence, prevalence, and mortality of HIV, 1980–2015: the Global Burden of Disease Study 2015;H Wang;Lancet HIV,2016
4. UNAIDS (2011) Global HIV and AIDS Estimate 2011
5. Yared M SR, Tibebu S, Emmart P (2010) Equity and Access to ART in Ethiopia Washington: Initiative HP 2010 Futures Group,Task Order 1.