title: [Periodicity of measles in Saratov].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008457:Measles / Q000453:epidemiology*; D010507:Periodicity; D012426:Russia
vernacular_title: K periodichnosti kori v Saratove.