title: Epidemiologic studies of streptococcal infection in school children.
mesh_terms: D002648:Child; D016021:Epidemiologic Studies; D006801:Humans; D007223:Infant; D012572:School Health Services; D013290:Streptococcal Infections; D013291:Streptococcus
keywords: SCHOOL HEALTH; STREPTOCOCCAL INFECTIONS/in infancy and childhood