the rationale for undertaking the present study was to evaluate the utility of iodoestradiol analogs made highly radioactive with iodine isotopes in ( a ) the non-invasive differentiation of estrogen-dependent from estrogen-independent breast tumors , ( b ) spread of metastases containing estrogen receptors , and ( c ) potential application in therapeutic irradiation of target tissues .
C0007589
differentiation
C0034804
estrogen receptors