1. Sexually transmitted diseases treatment guidelines;Morbidity and Mortality Weekly Report,2006
2. Update to CDC’s sexually transmitted diseases treatment guidelines, 2006: Fluoroquinolones no longer recommended for treatment of gonococcal infections;Morbidity and Mortality Weekly Report,2007
3. Centers for Disease Control and Prevention (2006) Together we can: The national plan to eliminate syphilis from the United States, pp. 1–9. Atlanta, GA: US Department of Health and Human Services, May 2006. Available at: http://www.cdc.gov/.
4. The estimated direct medical cost of STDs among American youth, 2000;Chesson,2004
5. Sexually transmitted diseases enhance HIV transmission: No longer a hypothesis;Cohen;The Lancet,1998