title: Letter: Radiation-induced head and neck tumours.
mesh_terms: D002648:Child; D004307:Dose-Response Relationship, Radiation; D006257:Head; D006258:Head and Neck Neoplasms / Q000209:etiology; D006801:Humans; D009381:Neoplasms, Radiation-Induced; D011829:Radiation Dosage; D011830:Radiation Effects; D013961:Thyroid Gland / Q000528:radiation effects