title: [Preliminary studies of the prevalence of carriers of beta-hemolytic group A streptococci in a children's center].
mesh_terms: D002353:Carrier State / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007558:Italy; D008297:Male; D012574:Schools; D013290:Streptococcal Infections / Q000453:epidemiology*; D013297:Streptococcus pyogenes
vernacular_title: Indagine preliminare sulla prevalenza di portatori di streptococco di gruppo A beta-emolitico in collettivita' infantili.