Eustachian tube irradiation with strontium 90.
D005064:Eustachian Tube / Q000503:physiopathology; D005500:Follow-Up Studies; D006801:Humans; D010033:Otitis Media / Q000532:radiotherapy* / Q000601:surgery; D013325:Strontium Isotopes / Q000627:therapeutic use*; D014433:Tympanoplasty
D013325:Strontium Isotopes