title: The origin of 125I in animal thyroid glands.
mesh_terms: D000818:Animals; D000829:Animals, Domestic; D001717:Birds; D004739:England; D007457:Iodine Radioisotopes / Q000032:analysis*; D013961:Thyroid Gland / Q000032:analysis*
chemical_list: D007457:Iodine Radioisotopes