[Epidemiological characteristics of rubella in Leningrad].
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D012409:Rubella / Q000453:epidemiology*; D012426:Russia; D012621:Seasons; D014505:Urban Population
Epidemiologicheskaia kharakteristika krasnukha v Leningrade.