1. WHO. Antiretroviral therapy (ART) coverage among all age groups 2015 [cited 2017 20/03/2017]. Available from:
http://www.who.int/gho/hiv/epidemic_response/ART_text/en/
.
2. WHO. Consolidated guidelines on the use of antiretroviral drugs for treating and preventing HIV infection, recommendations for a public health approach. 2013 [cited 2016 01/10/2016]. Available from:
http://www.who.int/hiv/pub/arv/arv-2016/en/
.
3. WHO. World Health Organization. HIV drug resistance. 2006 [cited 2016 02/03/2016]. Available from:
http://www.who.int/hiv/topics/drugresistance/en/
.
4. WHO. Technical Brief on HIV Viral Load Technologies 2010 [cited 2015 20/10/2015]. Available from:
http://www.who.int/hiv/topics/treatment/tech_brief_20100601_en.pdf
.
5. Huong DTM, Bannister W, Phong PT, Kirk O, Peters L. Factors associated with HIV-1 virological failure in an outpatient clinic for HIV-infected people in Haiphong, Vietnam. Int J STD AIDS. 2011;22(11):659–64.