[1. Kinghorn GR. Syphilis and bacterial sexually transmitted infections. In: Burns T, Breathnach S, Cox N, Griffiths C, editors. Rook’s textbook of dermatology. 6th ed. Oxford: Blackwell Publishing; 2010. p. 34.1-34.36.10.1002/9781444317633.ch34]Search in Google Scholar
[2. Workowski KA, Berman S, Centers for Disease Control and Prevention. Sexually transmitted diseases treatment guidelines, 2010. MMWR Recomm Rep 2010;59(RR-12):1-110.]Search in Google Scholar
[3. World Health Organization. Guidelines for the management of sexually transmitted infections. Geneva: WHO; 2001. [cited 2013 May 12]. Available from: www.who.int/hg/HIV_ AIDS_2001.01.pdf..]Search in Google Scholar
[4. Garnett GP, Aral SO, Hoyle DV, Cates W Jr, Anderson RM. Th e natural history of syphilis. Implications for the transmission dynamics and control of infection. Sex Transm Dis 1997;24:185-200.10.1097/00007435-199704000-000029101629]Search in Google Scholar
[5. Gjestland T. Th e Oslo study of untreated syphilis: an epidemiologic investigation of the natural course of the syphilitic infection based upon a re-study of the Boeck- Bruusgaard material. Acta Derm Venereol 1955;35(Suppl 34):3-368.]Search in Google Scholar
[6. Bjekić M, Marković M, Šipetić S. Early syphilis and syphilitic hepatitis following unprotected insertive oral sexual intercourse: case report. Acta Dermatovenerol Croat 2010;18:276-8.]Search in Google Scholar
[7. Bjekić M, Marković M, Salemović D, Šipetić S. Syphilitic alopecia in HIV infected homosexual men: case reports. Acta Dermatovenerol Croat 2012;20:48-50.]Search in Google Scholar
[8. Bjekić M. Diffuse hair loss in secondary syphilis in HIV positive men: case report. Acta Facult Med Naiss 2012;29:193-7.10.2478/v10283-012-0027-1]Search in Google Scholar
[9. Bjekić M, Šipetić S. Mucous patch on the tongue as isolated manifestation of the secondary stage of syphilis: case report. Stomatol Glas Srb 2012;59:160-3.10.2298/SGS1203160B]Search in Google Scholar
[10. Federal Institute of Statistics. Demographic statistics: 1972-2004. Belgrade: Federal Institute of Statistics; 2005.]Search in Google Scholar
[11. Bjekic M, Vlajinac H, Sipetic S, Kocev N. Trends of gonorrhoea and early syphilis in Belgrade, 1985-99. Sex Transm Infect 2001;77:387-8.10.1136/sti.77.5.387174436411588290]Search in Google Scholar
[12. Vlajinac H, Sipetic S, Bjekic M, Savcic G, Marinkovic J. Outbreak of early syphilis in an institution for the care of adults with mental disorders. Epidemiol Infect 2006;134: 585-8.10.1017/S0950268805005558287043016288685]Search in Google Scholar
[13. Lacey HB, Higgins SP, Graham D. An outbreak of early syphilis: cases from North Manchester General Hospital. Sex Transm Infect 2001;77:311-3.10.1136/sti.77.5.311174438411588269]Search in Google Scholar
[14. Halsos AM, Edgardh K. An outbreak of syphilis in Oslo. Int J STD AIDS 2002;13: 370-2.10.1258/09564620276002977812015009]Search in Google Scholar
[15. Velicko I, Arneborn M, Blaxhult A. Syphilis epidemiology in Sweden: re-emergence since 2000 primarily due to spread among men who have sex with men. Euro Surveill 2008;13(50):pill 19063.10.2807/ese.13.50.19063-en19087867]Search in Google Scholar
[16. Giuliani M, Palamara G, Latini A, Maini A, Di Carlo A. Evidence of an outbreak of syphilis among men who have sex with men in Rome. Arch Dermatol 2005;141:100-1.10.1001/archderm.141.1.10015655156]Search in Google Scholar
[17. Righarts AA, Simms I, Wallace L, Solomou M, Fenton KA. Syphilis surveillance and epidemiology in the United Kingdom. Euro Surveill 2004;9:21-5.10.2807/esm.09.12.00497-en29183560]Search in Google Scholar
[18. Cowan S. Syphilis in Denmark: outbreak among MSM in Copenhagen, 2003-2004. Euro Surveill 2004;9:25-7.10.2807/esm.09.12.00498-en]Search in Google Scholar
[19. Katz MH, Schwarcz SK, Kellogg TA, Klausner JD, Dilley JW, Gibson S, et al. Impact of highly active antiretroviral treatment on HIV seroincidence among men who have sex with men: San Francisco. Am J Public Health 2002;92:388-94.10.2105/AJPH.92.3.388]Search in Google Scholar
[20. Blocker ME, Levine WC, St Louis ME. HIV prevalence in patients with syphilis, United States. Sex Transm Dis 2000;27:53-9.10.1097/00007435-200001000-0001110654870]Search in Google Scholar
[21. Communicable Disease Surveillance Centre. Increased transmission of syphilis in Brighton and Greater Manchester among men who have sex with men. Commun Dis Rep CDR Wkly 2000;10:386.]Search in Google Scholar
[22. Bjekić M, Marković D, Šipetić S. Atypical presentations of primary genital syphilis in HIV-negative homosexually active men: a case series. Serb J Dermatol Venereol 2012;4(3):113-8.10.2478/v10249-012-0010-y]Search in Google Scholar
[23. DiCarlo RP, Martin DH. Th e clinical diagnosis of genital ulcer disease in men. Clin Infect Dis 1997;25:292-8.10.1086/5145489332527]Search in Google Scholar
[24. Wheeler H, Agarwal S, Goh BT. Dark ground microscopy and treponemal serology tests in the diagnosis of early syphilis. Sex Transm Infect 2004;80:411-4.10.1136/sti.2003.008821174489915459413]Search in Google Scholar
[25. Cates W Jr, Rothenberg RB, Blount JH. Syphilis control: the historic context and epidemiologic basis for interrupting sexual transmission of Treponema pallidum. Sex Transm Dis 1996;23:68-75. 10.1097/00007435-199601000-000138801646]Search in Google Scholar