1. Resurgent bacterial sexually transmitted disease among men who have sex with men: King County, Washington, 1997-1999;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep.,1999
2. Primary and secondary syphilis: United States, 2000-2001;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep.,2002
3. Trends in primary and secondary syphilis and HIV infections in men who have sex with men: San Francisco and Los Angeles, California, 1998-2002;Centers for Disease Control and Prevention;MMWR Morb Mortal Wkly Rep.,2004
4. Are trends in HIV, gonorrhoea, and syphilis worsening in Western Europe;Nicoll;Br Med J.,2002
5. Syphilis and gonorrhoea in Paris: the return;Dupin;AIDS.,2001