title: Use of a NaI(T1) survey meter to measure 125I activity.
mesh_terms: D007454:Iodides; D007457:Iodine Radioisotopes / Q000032:analysis*; D011834:Radiation Monitoring / Q000295:instrumentation*; D012974:Sodium Iodide; D013793:Thallium
chemical_list: D007454:Iodides; D007457:Iodine Radioisotopes; D013793:Thallium; D012974:Sodium Iodide