title: Eustachian tube obstruction and allergy: a role in otitis media with effusion?
mesh_terms: D004427:Ear Diseases / Q000209:etiology* / Q000276:immunology; D005064:Eustachian Tube / Q000033:anatomy & histology; D006801:Humans; D006967:Hypersensitivity / Q000150:complications*; D009299:Nasal Provocation Tests / Q000009:adverse effects; D010033:Otitis Media / Q000503:physiopathology*