1. Provisional country estimates of prevalent adult human immunodeficiency virus infections as of end 1994: a description of the methods;AH Burton;International journal of epidemiology,1998
2. UNAIDS. Fact sheet—Latest global and regional statistics on the status of the AIDS epidemic. 18 JULY 2018 [9 November 2018]. http://www.unaids.org/sites/default/files/media_asset/UNAIDS_FactSheet_en.pdf.
3. Estimates of global, regional, and national incidence, prevalence, and mortality of HIV, 1980–2015: the Global Burden of Disease Study 2015;Collaborators GH;The lancet HIV,2016
4. Declining morbidity and mortality among patients with advanced human immunodeficiency virus infection. HIV Outpatient Study Investigators;FJ Palella;The New England journal of medicine,1998
5. Trends and determinants of survival for over 200 000 patients on antiretroviral treatment in the Botswana National Program: 2002–2013;M Farahani;Aids,2016