[Landform-epidemiologic characteristics of foci of tick-borne encephalitis in the Leningrad region].
D004675:Encephalitis, Tick-Borne / Q000453:epidemiology*; D005843:Geography; D006801:Humans; D012426:Russia
Landshaftno-épidemiologicheskaia kharakteristika ochagov kleshchevogo éntsefalita v Leningradskoĭ oblasti