Infections preventing atopy: facts and new questions.
Matricardi
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D003140:Communicable Disease Control; D003141:Communicable Diseases / Q000276:immunology*; D006801:Humans; D006920:Hygiene; D006969:Hypersensitivity, Immediate / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control*; D018417:Th1 Cells / Q000276:immunology; D018418:Th2 Cells / Q000276:immunology