TY - BOOK ED - World Health Organization. TI - Prevalence and incidence of selected sexually transmitted infections, Chlamydia trachomatis, Neisseria gonorrhoeae, syphilis and trichomonas vaginalis: methods and results used by WHO to generate 2005 estimates SN - 9789241502450 PY - 2011/// CY - Geneva PB - World Health Organization KW - Syphilis KW - epidemiology KW - Trichomonas vaginitis KW - Data collection KW - methods KW - Incidence KW - Prevalence KW - Sexually transmitted diseases KW - World health UR - http://apps.who.int/iris/ ER -