"iodine-131"@en-us . "iodine-131"^^ . . . . . "0"^^ . . . "heavy radioactive isotope of iodine with a half-life of 8 days; used in a sodium salt to diagnose thyroid disease and to treat goiter"@en-us . "0"^^ . . . . . "113803548"@en-us . "14641797-n"^^ . "114641797"^^ . . . . . . .