Irradiation of the nasopharynx in eustachian obstruction; a report of forty-eight cases.
D005064:Eustachian Tube; D006309:Hearing; D006311:Hearing Disorders / Q000209:etiology*; D006320:Hearing Tests; D006801:Humans; D009305:Nasopharynx; D010033:Otitis Media
EUSTACHIAN TUBE; HEARING DISORDERS/etiology and pathogenesis; NASOPHARYNX