Hazards of "low dose" irradiation to the head and neck.
D006257:Head / Q000528:radiation effects*; D006258:Head and Neck Neoplasms / Q000532:radiotherapy; D006801:Humans; D009333:Neck / Q000528:radiation effects*; D011832:Radiation Injuries / Q000209:etiology*; D011879:Radiotherapy Dosage; D013964:Thyroid Neoplasms / Q000532:radiotherapy