Allergy and serous otitis media.
D002648:Child; D002675:Child, Preschool; D006311:Hearing Disorders / Q000209:etiology*; D006801:Humans; D006967:Hypersensitivity / Q000150:complications*; D010033:Otitis Media / Q000175:diagnosis / Q000209:etiology* / Q000628:therapy; D013064:Speech Disorders / Q000209:etiology