1. Primary and secondary syphilis—United States, 2005–2013;Morb Mortal Wkly Rep,2014
2. 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
3. Sexually transmitted diseases treatment guidelines, 2015;MMWR Recomm Rep,2015
4. Frequent testing of highly sexually active gay men is required to control syphilis;Sex Transm Dis,2010