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Temporal trends during ART programme expansion (2006–2014). ART, antiretroviral therapy; n, number; WHO, World Health Organization; NRTI, nucleoside reverse transcriptase inhibitor; AZT, zidovudine; ABC, abacavir; D4T, stavudine; TDF, tenofovir disoproxil fumarate. [Colour figure can be viewed at http://www.wileyonlinelibrary.com/]
