Immunology / Nonparametric Statistics / Brazil / Allergy / Humans / Child / Female / Animals / Male / Infant / Allergens / Immunoglobulin E / Young Children / Biological markers / Chi Square Distribution / Mites / Case Control Studies / Clinical Allergy and Immunology / Child / Female / Animals / Male / Infant / Allergens / Immunoglobulin E / Young Children / Biological markers / Chi Square Distribution / Mites / Case Control Studies / Clinical Allergy and Immunology