[Epidemiological study of measles].
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008457:Measles / Q000453:epidemiology*; D012383:Romania; D012621:Seasons
Contributii la studiul epidemiologic al rujeolei.