title: Changing patterns of childhood infection and the rise in allergic disease.
authors.affiliation: MRC Environmental Epidemiology Unit, University of Southampton, Southamptom General Hospital, UK.
authors.forename: S O
authors.initials: SO
authors.lastname: Shaheen
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D006967:Hypersensitivity; D007239:Infections