1. Centers for Disease Control and Prevention (CDC). Notes from the field: Repeat syphilis infection and, HIV, coinfection among men who have sex with men, Baltimore, Maryland, 2010-2011. MMWR Morb Mortal Wkly Rep. 2013;62:649-650.
2. A randomized trial of enhanced therapy for early syphilis in patients with and without human immunodeficiency virus infection;Rolfs;N Engl J Med.,1997
3. Optimal dose of benzathine penicillin G for the treatment of early syphilis in HIV-infected patients in the era of combination antiretroviral therapy;Yang;Clin Infect Dis Off Publ Infect Dis Soc Am.,2015
4. Dilemmas in the management of syphilis: A survey of infectious diseases experts;Dowell;Clin Infect Dis Off Publ Infect Dis Soc Am.,2009
5. Single dose versus 3 doses of intramuscular benzathine penicillin for early syphilis in HIV: A randomized clinical trial;Andrade;Clin Infect Dis Off Publ Infect Dis Soc Am.,2017