title: Letter: Cystic fibrosis heterozygosity in pathogenesis of allergy.
mesh_terms: D000328:Adult; D002648:Child; D002675:Child, Preschool; D003550:Cystic Fibrosis / Q000209:etiology / Q000235:genetics*; D006579:Heterozygote; D006801:Humans; D006967:Hypersensitivity / Q000175:diagnosis / Q000209:etiology* / Q000235:genetics; D007073:Immunoglobulin E / Q000032:analysis
chemical_list: D007073:Immunoglobulin E