1. Gonorrhea in the HIV era: a reversal in trends among men who have sex with men;Fox;Am J Public Health,2001
2. Recent trends in the epidemiology of sexually transmitted infections in the European Union;Fenton;Sex Transm Infect,2004
3. Are trends in HIV, gonorrhoea, and syphilis worsening in western Europe?;Nicoll;BMJ,2002
4. Increasing prevalence of male homosexual partnerships and practices in Britain 1990–2000: but why?;Boily;AIDS,2005
5. Division of STD Prevention, National Center for HIV, STD, and TB Prevention, Centers for Disease Control and Prevention. The National Plan to Eliminate Syphilis from the United States. Atlanta (GA): Centers for Disease Control and Prevention; 1999.