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Farhi, D; Dupin, N (Sep–Oct 2010). «Origins of syphilis and management in the immunocompetent patient: facts and controversies». Clinics in Dermatology. 28 (5): 533–8. doi:10.1016/j.clindermatol.2010.03.011. PMID20797514.
Franzen, C (2008 թ․ դեկտեմբեր). «Syphilis in composers and musicians—Mozart, Beethoven, Paganini, Schubert, Schumann, Smetana». European Journal of Clinical Microbiology & Infectious Diseases. 27 (12): 1151–7. doi:10.1007/s10096-008-0571-x. PMID18592279.
Farhi, D; Dupin, N (Sep–Oct 2010). «Origins of syphilis and management in the immunocompetent patient: facts and controversies». Clinics in Dermatology. 28 (5): 533–8. doi:10.1016/j.clindermatol.2010.03.011. PMID20797514.
Franzen, C (2008 թ․ դեկտեմբեր). «Syphilis in composers and musicians—Mozart, Beethoven, Paganini, Schubert, Schumann, Smetana». European Journal of Clinical Microbiology & Infectious Diseases. 27 (12): 1151–7. doi:10.1007/s10096-008-0571-x. PMID18592279.