1. 1. Jawetz, Melnick, Adelberg's .Medical Microbiology. Twenty-Sixth Edition. 2013,285-295,359-370.
2. 2. Mandell Douglas,Benneth, S.principles and practice of infectious Diseases, 2;seventh edition.2010,2443-2457.
3. 3. World Health Organization. WHO Features No 152, WHOGeneva, 1990.
4. 4. WHO. Global prevalence and incidence of selected curablesexually transmitted diseases: overview and estimates. WorldHealth Organization, Geneva (1995).
5. 5. S. M. Bruisten S. M.,Noordhoek G. T. ,van den Brule A. J. C. ,B. Duim B. ,Boel C. H. E., Multicenter Validation of the cppB Gene as a PCR Target forDetection of Neisseria gonorrhoeae. Journal of clinical microbiology, 2004, 42(9); p. 4332-4334.