title: [Activities of the Czechoslovak influenza center in 1965].
mesh_terms: D002675:Child, Preschool; D003604:Czechoslovakia; D006801:Humans; D007223:Infant; D007251:Influenza, Human / Q000453:epidemiology*
vernacular_title: Cinnost ceskoslovenské chripkové centrály v roce 1965.