title: The hygiene hypothesis revisited.
authors.affiliation: Department of Clinical Medicine, Faculty of Medicine, Universidade de São Paulo, Brazil. marcus@homeozulian.med.br
authors.forename: M Z
authors.initials: MZ
authors.lastname: Teixeira
mesh_terms: D000485:Allergens / Q000276:immunology; D004198:Disease Susceptibility; D006705:Homeopathy / Q000379:methods*; D006801:Humans; D006920:Hygiene; D006967:Hypersensitivity / Q000276:immunology*; D007113:Immunity, Innate; D007239:Infections / Q000276:immunology; D014612:Vaccines / Q000008:administration & dosage / Q000276:immunology
chemical_list: D000485:Allergens; D014612:Vaccines