Kent ME, Romanelli F (February 2008). "Reexamining syphilis: an update on epidemiology, clinical manifestations, and management". The Annals of Pharmacotherapy. 42 (2): 226–36. doi:10.1345/aph.1K086. PMID18212261. S2CID23899851.
Tichonova L, Borisenko K, Ward H, Meheus A, Gromyko A, Renton A (July 1997). "Epidemics of syphilis in the Russian Federation: trends, origins, and priorities for control". Lancet. 350 (9072): 210–3. doi:10.1016/S0140-6736(97)01382-2. PMID9250199. S2CID6870527.
Klausner, J (2000). "Tracing a Syphilis Outbreak Through Cyberspace". The Journal of the American Medical Association. 284 (4): 447–449. doi:10.1001/jama.284.4.447. PMID10904507.
Kent ME, Romanelli F (February 2008). "Reexamining syphilis: an update on epidemiology, clinical manifestations, and management". The Annals of Pharmacotherapy. 42 (2): 226–36. doi:10.1345/aph.1K086. PMID18212261. S2CID23899851.
Celum CL (Oct–Nov 2010). "Sexually transmitted infections and HIV: epidemiology and interventions". Topics in HIV Medicine. 18 (4): 138–42. PMID21107013.
Tichonova L, Borisenko K, Ward H, Meheus A, Gromyko A, Renton A (July 1997). "Epidemics of syphilis in the Russian Federation: trends, origins, and priorities for control". Lancet. 350 (9072): 210–3. doi:10.1016/S0140-6736(97)01382-2. PMID9250199. S2CID6870527.
Klausner, J (2000). "Tracing a Syphilis Outbreak Through Cyberspace". The Journal of the American Medical Association. 284 (4): 447–449. doi:10.1001/jama.284.4.447. PMID10904507.
Kent ME, Romanelli F (February 2008). "Reexamining syphilis: an update on epidemiology, clinical manifestations, and management". The Annals of Pharmacotherapy. 42 (2): 226–36. doi:10.1345/aph.1K086. PMID18212261. S2CID23899851.
Mullooly C, Higgins SP (August 2010). "Secondary syphilis: the classical triad of skin rash, mucosal ulceration and lymphadenopathy". International Journal of STD & AIDS. 21 (8): 537–45. doi:10.1258/ijsa.2010.010243. PMID20975084. S2CID207198662.
Tichonova L, Borisenko K, Ward H, Meheus A, Gromyko A, Renton A (July 1997). "Epidemics of syphilis in the Russian Federation: trends, origins, and priorities for control". Lancet. 350 (9072): 210–3. doi:10.1016/S0140-6736(97)01382-2. PMID9250199. S2CID6870527.