IFNG and atopic eczema: Atopic dermatitis (SCORAD) evaluation, IgE and a panel of food-specific IgE, and skin prick tests to evaluate milk allergy sensitization.Polyfunctional stimulation of peripheral blood mononuclear cells producing IL-4, IL-5, and IFN-g; inflammatory parameters include blood eosinophils, urinary eosinophil protein X, and fecal a-1 anti-trypsin