title: Diagnosis of thyroid disorders using  131 I.
mesh_terms: D044383:Black People; D006042:Goiter / Q000453:epidemiology; D006801:Humans; D007457:Iodine Radioisotopes; D013019:South Africa; D013959:Thyroid Diseases / Q000175:diagnosis*
chemical_list: D007457:Iodine Radioisotopes