1. Wasserheit, JN. A barometer of community health. Sex Transm Diseases, 2000.
2. Centers for Disease Control and Prevention. The national plan to eliminate syphilis from the United States. Atlanta, Georgia: U.S. Department of Health and Human Services, CDC, National Center for HIV, STD, and TB Prevention, 1999: 1–84.
3. Nakashima AK, Rolfs R, Flock M, Kilmarx P, Greenspan J. Epidemiology of Syphilis in the United States, 1941–1993. Sex Transm Dis. 1996;23(1):16–23.
4. Centers for Disease Control and Prevention. Sexually Transmitted Disease Surveillance 2009. Atlanta: U.S. Department of Health and Human Services; 2010. www.cdc.gov/std/stats .
5. Baumgartner L. Syphilis eradication: a plan for action now. In: Venereal Diseases Branch, (ed.), Proceedings of the World Forum on Syphilis and Other Treponematoses. Washington, D.C.: Public Health Service; 1964:26–32.