Zakharov , S.V., and V.K. Zakharov. “Nonspecific Protective Factors in Patients With Early Latent Syphilis (report 1)”. Medicni perspektivi 26, no. 4 (December 20, 2021): 138–143. Accessed November 26, 2024. https://journals.uran.ua/index.php/2307-0404/article/view/248202.