1. The Joint United Nations Programme on HIV and AIDS. AIDSinfo 2018 [cited 2020 21 April]. Available from: http://aidsinfo.unaids.org/.
2. Centers for Disease Control and Prevention, US Public Health Service. Preexposure Prophylaxis for the Prevention of HIV Infection in the United States—2017 Update: A Clinical Practice Guideline 2018 [cited 2020 21 April]. Available from: https://www.cdc.gov/hiv/pdf/risk/prep/cdc-hiv-prep-guidelines-2017.pdf.
3. Antiretroviral Prophylaxis for HIV Prevention in Heterosexual Men and Women;JM Baeten;N Engl J Med,2012
4. Uptake of pre-exposure prophylaxis, sexual practices, and HIV incidence in men and transgender women who have sex with men: a cohort study;RM Grant;Lancet Infect Dis,2014
5. Efficacy, safety, and effect on sexual behaviour of on-demand pre-exposure prophylaxis for HIV in men who have sex with men: An observational cohort study.;J-M Molina;Lancet HIV,2017