_:vb50941677 . _:vb50941676 . _:vb50941676 . . "A chronic asthma that is triggered by an allergen and that is characterized by an immune system overreaction to a harmless substance, such as pollen or dust, with the subsequent release of immunoglobin E (IgE) antibodies."^^ . . _:vb50941676 . "atopic asthma"^^ . _:vb50941677 . _:vb50941677 . . _:vb50941676 . _:vb50941677 . "extrinsic asthma"@en . _:vb50941676 . . "disease_ontology"^^ . "DOID:0080811"^^ . _:vb50941677 .