title: Electron-microscopic and isotopic evidence for a difference between the radiobiological effects of iodine-131 and iodine-125.
mesh_terms: D000818:Animals; D007457:Iodine Radioisotopes; D008297:Male; D011830:Radiation Effects; D051381:Rats; D013961:Thyroid Gland / Q000528:radiation effects*
chemical_list: D007457:Iodine Radioisotopes