An improved method for labeling monoclonal antibodies with samarium-153: use of the bifunctional chelate 2-(p-isothiocyanatobenzyl)-6- methyldiethylenetriaminepentaacetic acid.

An improved method for labeling monoclonal antibodies with samarium-153: use of the bifunctional chelate 2-(p-isothiocyanatobenzyl)-6- methyldiethylenetriaminepentaacetic acid.