For citations:
Agaev R.A., Gorlanov I.A., Nikiforov B.N., Egorova Yu.S., Eremina N.V., Smirnova T.S., Gayvoronskaya O.V., Telichko I.N. Analysis of the incidence of syphilis in the Leningrad region and St. Petersburg: the current state. Journal Infectology. 2011;3(3):18-25. (In Russ.) https://doi.org/10.22625/2072-6732-2011-3-3-18-25