title: [The state of the art of studies of natural and focal infections in the Ul'ianovsk region and its frontier areas in the middle Volga region].
authors.forename: A A
authors.initials: AA
authors.lastname: Nafeev
authors.forename: E G
authors.initials: EG
authors.lastname: Volkova
authors.forename: N I
authors.initials: NI
authors.lastname: Khot'ko
mesh_terms: D004675:Encephalitis, Tick-Borne / Q000453:epidemiology*; D006306:Health Surveys; D006480:Hemorrhagic Fever with Renal Syndrome / Q000453:epidemiology*; D006801:Humans; D007922:Leptospirosis / Q000453:epidemiology*; D012426:Russia / Q000453:epidemiology; D014406:Tularemia / Q000453:epidemiology*