title: [Features of the clinical course of influenza in the endemic of 1968-1984 (16 years) in Leningrad].
mesh_terms: D006801:Humans; D009980:Influenza A virus; D007251:Influenza, Human / Q000453:epidemiology*; D012426:Russia
vernacular_title: Osobennosti klinicheskogo techeniia grippa v éndemii 1968--1984 gg. (za 16 let) v Leningrade.