Social development and declining incidence of some common epidemic diseases in children. A study of the incidence in different age groups in Stockholm.
D000328:Adult; D000367:Age Factors; D002644:Chickenpox / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008457:Measles / Q000453:epidemiology*; D012541:Scarlet Fever / Q000453:epidemiology*; D012923:Social Class; D012924:Social Conditions; D013548:Sweden; D014917:Whooping Cough / Q000453:epidemiology*