tokens: IgE antibody to twelve common food and inhalant allergens was measured by enzyme - linked immunosorbent assay ( ELISA ) in the sera of thirteen atopic patients with one or more allergic disorders ( asthma occurring in eleven ; rhinitis in ten ; eczema in six ; urticaria in four ; mouth and gastro - intestinal symptoms in six ) , of twelve non - atopic patients with various clinical symptoms ( asthma in four ; rhinitis in four ; eczema in one ; urticaria in two ; mouth and gastro - intestinal symptoms in four ) and sixteen cord blood sera .