1. Tropical venereology;Arya,1988
2. Epidemiology of sexually transmitted diseases: the global picture;De Schryver;Bull World Health Organ,1990
3. Sexually transmitted diseases and travelers;Parenti;Med Clin North Am,1992
4. Sexually transmitted diseases (STDs) in the world;Agacfidan;FEMS Immunol Med Microbiol,1999
5. Global prevalence and incidence of selected curable sexually transmitted infections,1999