title: Eustachian tube irradiation with strontium 90 in children. Sequential analysis to limit the number of cases.
mesh_terms: D002648:Child; D005064:Eustachian Tube / Q000503:physiopathology / Q000528:radiation effects*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D010033:Otitis Media / Q000532:radiotherapy* / Q000601:surgery; D011879:Radiotherapy Dosage; D012008:Recurrence; D013223:Statistics as Topic; D013326:Strontium Radioisotopes / Q000008:administration & dosage / Q000627:therapeutic use*; D013997:Time Factors; D014432:Tympanic Membrane / Q000601:surgery; D014433:Tympanoplasty
chemical_list: D013326:Strontium Radioisotopes