For citations:
Matrosov A.N., Chekashov V.N., Porshakov A.M., Yakovlev S.A., Shilov M.M., Kuznetsov A.A., Zakharov K.S., Knyazeva T.V., Mokrousova T.V., Tolokonnikova S.I., Udovikov A.I., Krasovskaya T.Yu., Sharova I.N., Kresova U.A., Kedrova O.V., Popov N.V., Shcherbakova S.A., Kutyrev V.V. Conditions for Virus Circulation and Premises for Natural West Nile Fever Foci Formation in the Territory of the Saratov Region. Problems of Particularly Dangerous Infections. 2013;(3):17-22. (In Russ.) https://doi.org/10.21055/0370-1069-2013-3-17-22