title: Serum IgE concentration in Down's syndrome.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D004314:Down Syndrome / Q000276:immunology*; D006801:Humans; D006967:Hypersensitivity / Q000276:immunology; D007073:Immunoglobulin E / Q000032:analysis*; D008607:Intellectual Disability / Q000276:immunology
chemical_list: D007073:Immunoglobulin E