Hamelmann, E Immune responses to allergens early in life: when and why do allergies arise? [electronic resource] - Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology Dec 2002 - 1679-81 p. digital Publication Type: Comment; Editorial ISSN: 0954-7894 Standard No.: 10.1046/j.1365-2222.2002.02002.x doi Subjects--Topical Terms: Allergens--administration & dosageHumansHypersensitivity--etiologyInfantInfant, NewbornRisk FactorsTh1 Cells--immunologyTh2 Cells--immunology