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Gao, L; Zhang, L, Jin, Q (September 2009). «Meta-analysis: prevalence of HIV infection and syphilis among MSM in China». Sexually transmitted infections85 (5): 354–8. doi:10.1136/sti.2008.034702. PMID19351623.
Karp, G; Schlaeffer, F, Jotkowitz, A, Riesenberg, K (January 2009). «Syphilis and HIV co-infection». European journal of internal medicine20 (1): 9–13. doi:10.1016/j.ejim.2008.04.002. PMID19237085.
White, RM (13 March 2000). «Unraveling the Tuskegee Study of Untreated Syphilis». Archives of Internal Medicine160 (5): 585–98. doi:10.1001/archinte.160.5.585. PMID10724044.
Eccleston, K; Collins, L, Higgins, SP (March 2008). «Primary syphilis». International journal of STD & AIDS19 (3): 145–51. doi:10.1258/ijsa.2007.007258. PMID18397550.
Mullooly, C; Higgins, SP (August 2010). «Secondary syphilis: the classical triad of skin rash, mucosal ulceration and lymphadenopathy». International journal of STD & AIDS21 (8): 537–45. doi:10.1258/ijsa.2010.010243. PMID20975084.
Franzen, C (December 2008). «Syphilis in composers and musicians--Mozart, Beethoven, Paganini, Schubert, Schumann, Smetana». European Journal of Clinical Microbiology and Infectious Diseases27 (12): 1151–7. doi:10.1007/s10096-008-0571-x. PMID18592279.
Farhi, D; Dupin, N (September 2010-Oct). «Origins of syphilis and management in the immunocompetent patient: facts and controversies». Clinics in dermatology28 (5): 533–8. doi:10.1016/j.clindermatol.2010.03.011. PMID20797514.
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Hogben, M (April 2007 1). «Partner notification for sexually transmitted diseases». Clinical infectious diseases: an official publication of the Infectious Diseases Society of America44 Suppl 3: S160–74. doi:10.1086/511429. PMID17342669.
Rothschild, BM (15 May 2005). «History of syphilis». Clinical infectious diseases: an official publication of the Infectious Diseases Society of America40 (10): 1454–63. doi:10.1086/429626. PMID15844068.
Harper, KN; Zuckerman, MK; Harper, ML; Kingston, JD; Armelagos, GJ (2011). «The origin and antiquity of syphilis revisited: an appraisal of Old World pre-Columbian evidence for treponemal infection.». American journal of physical anthropology146 Suppl 53: 99-133. PMID22101689.