1. Primary and secondary syphilis–United States, 2003–2004.;MMWR,2006
2. Resurgent bacterial sexually transmitted disease among men who have sex with men: King County, Washington, 1997–1999.;MMWR,1999
3. Rapid public health interventions in response to an outbreak of syphilis in Los Angeles.;Chen;Sex Transm Dis,2002
4. Trends in primary and secondary syphilis and HIV infections in men who have sex with men–San Francisco and Los Angeles, California, 1998–2002.;MMWR,2004
5. Primary and secondary syphilis among men who have sex with men–New York City, 2001.;MMWR,2002