title: Hygiene hypothesis: wanted--dead or alive.
authors.forename: Allan
authors.initials: A
authors.lastname: Linneberg
mesh_terms: D000485:Allergens / Q000276:immunology; D001249:Asthma / Q000453:epidemiology / Q000276:immunology; D006801:Humans; D006920:Hygiene; D006967:Hypersensitivity / Q000453:epidemiology / Q000276:immunology*; D007108:Immune Tolerance; D012307:Risk Factors
chemical_list: D000485:Allergens