1. HIV in the United Kingdom: 2013 Report. Public Health England 2013 https://www.gov.uk/government/…/HIV_annual_report_2013.pdf
2. Association Guidelines for the treatment of HIV-1 positive adults with antiretroviral therapy 2012;British;HIV Medicine,2014
3. HIV Drug Interactions Database. University of Liverpool www.hiv-druginteractions.org
4. UK National Guidelines for HIV testing 2008. British HIV Association, British Association of Sexual Health and HIV, British Infection Society www.bhiva.org
5. Epidemiology of human immunodeficiency virus-associated opportunistic infections in the United States in the era of highly active antiretroviral therapy;Kaplan;Clin. Infect. Dis.,2000