Assertion: iodine's isotope | /r/ObjectUse | used as radioactive label
Facets:
value: for certain radiopharmaceuticals
type: TRANSITIVE-OBJECT
Source sentences:
text: The 131I isotope is also used as a radioactive label for certain radiopharmaceuticals that can be used for therapy, e.g. 131I-metaiodobenzylguanidine (131I-MIBG) for imaging and treating pheochromocytoma and neuroblastoma.