1. European Centre for Disease Prevention and Control. Sexually transmitted infections in Europe 2013. Stockholm: ECDC; 2015 [consultado 27 Feb 2017]. Disponible en: http://ecdc.europa.eu/en/publications/Publications/sexual-transmitted-infections-europe-surveillance-report-2013.pdf
2. Centre d’Estudi Epidemiològics sobre Infeccions de Transmissió Sexual i Sida de Catalunya (CEEISCAT). CEEISCAT Epidemiological Report 2015. Integrated Surveillance System For STI and HIV in Catalonia (SIVES) Technical document N.° 22. Barcelona: CEEISCAT; 2015 consultado 27 Feb 2017]. Disponible en: http://www.ceeiscat.cat/documents/sives2015_ENG.pdf
3. Reemergence of infectious syphilis among homosexual men and HIV coinfection in Barcelona, 2002-2003;Vall-Mayans;Med Clin (Barc),2006
4. Simultaneous PCR detection of Haemophilus ducreyi Treponema pallidum, and herpes simplex virus types 1 and 2 from genital ulcers;Orle;J Clin Microbiol,1996
5. 2014 European guideline on the management of syphilis;Janier;J Eur Acad Dermatology Venereol,2014