title: The hygiene hypothesis revised: is the rising frequency of allergy due to changes in the intestinal flora?
authors.affiliation: Department of Clinical Immunology, Göteborg University, Sweden.
authors.forename: A E
authors.initials: AE
authors.lastname: Wold
mesh_terms: D004755:Enterobacteriaceae / Q000502:physiology*; D006801:Humans; D006920:Hygiene; D006967:Hypersensitivity / Q000209:etiology*; D007108:Immune Tolerance; D007422:Intestines / Q000382:microbiology*; D018417:Th1 Cells / Q000502:physiology*; D018418:Th2 Cells / Q000502:physiology*