title: A simple method of assessing the activity retained in patients receiving therapeutic doses of 131I.
mesh_terms: D006801:Humans; D007457:Iodine Radioisotopes / Q000008:administration & dosage / Q000627:therapeutic use*; D011834:Radiation Monitoring / Q000379:methods*; D011879:Radiotherapy Dosage; D013997:Time Factors
chemical_list: D007457:Iodine Radioisotopes