estrogen receptor determinations have been performed on 241 cytosols from 160 breast cancer tumors using both radioactive ligands ( [ 3h ] ) -estradiol , [ 3h ] r2858 ) and monoclonal antibodies ( abbott er-eia kit ) in order to compare the two methods and to evaluate the clinical usefulness of the new immunological , simplified assay .
C1458155
breast
C0014912
estradiol