title: Radioactive iodine and the risk of malignant thyroid tumour.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D006801:Humans; D006980:Hyperthyroidism / Q000532:radiotherapy*; D007457:Iodine Radioisotopes / Q000009:adverse effects*; D008875:Middle Aged; D012306:Risk; D013964:Thyroid Neoplasms / Q000209:etiology*
chemical_list: D007457:Iodine Radioisotopes