1. Syphilis epidemiology under modern conditions
2. Potekaev NN, Rotanov SV, Frigo NV, Dmitriev GA, Dolya OV, Kitaeva NV, Kruglova LS, Mardanly SG. Laboratory methods of syphilis diagnosis: manual for doctors. M.: Moskovskij nauchno-prakticheskij tsentr dermatovenerologii i kosmetologii, Tsentralnaya gosudarstvennaya meditsinskaya akademiya Upravleniya delami Prezidenta Rossijskoj Federatsii, Gosudarstvennyj gumanitarno-tehnicheskij universitet; 2020. (In Russ.)
3. Potekaev NN, Frigo NV, Rotanov SV. Diagnosis of syphilis: from Wasserman to the present day. Vladimir: Tranzit-IKS; 2018. (In Russ.)
4. Prevalence of sexually transmitted co-infections in people living with HIV/AIDS: systematic review with implications for using HIV treatments for prevention
5. 2017 European AIDS Clinical Society (EACS) Guidelines, version 9.0, electronic source. Accessed January 27, 2022. (In Russ.). https://arvt.ru/sites/default/files/eacs_guidelines_v9.0_rus.pdf