1. Secondary syphilis with progressive ocular involvement in an immunocompetent patient;Foti;Eur J Dermatol,2009
2. Evaluation and management of syphilis in the HIV-infected patient;Ghanem;Curr Infect Dis Rep,2010
3. Knudsen RP, Singh NN. Neurosyphilis Overview of Syphilis of the CNS Medscape. WebMD LLC. Available from: https://emedicine.medscape.com/article/1169231-overview. [Last accessed on 2021 Nov 21].
4. Fauci AS. Harrison's Principles of Internal Medicine. New York: McGraw-Hill; 2008.
5. Wender J, Eliott D, Jumper J, Emmett T, Cunningham Jr E. How to recognize ocular syphilis. Rev Ophthalmol 2008. Jobson Medical Information LLC. Available from: https://www.reviewofophthalmology.com/article/how-to-recognize-ocular-syphilis. 2008. [Last accessed on 2021 Dec 22].