1. Ulcération génitale;Derancourt;Ann Dermatol Venereol,2016
2. Etiology genital ulcer disease. A prospective study of 278 cases in an STD clinic in Paris;Hope-Rapp;Sex Transm Dis,2010
3. The clinical diagnosis of genital disease in men;Richard;Clin Infect Dis,1997
4. The changing spectrum of Sexually transmitted infections in Europe;Stary;Acta Derm Venereol,2020
5. Center for Diseases Control and Prevention (CDC). Primary and secondary syphilis in United States, 2005-2013;Patton;Morb Mortal Wkly Report (MMWR),2014