title: [Epidemiological study of diphtheria in greater Sáo Paulo, 1969].
mesh_terms: D001938:Brazil; D002648:Child; D002675:Child, Preschool; D004165:Diphtheria / Q000453:epidemiology*; D006801:Humans; D007223:Infant
vernacular_title: Estudo epidemiológico de difteria na região de grande São Paulo, 1969.