An improved method for labeling monoclonal antibodies with samarium-153: use of the bifunctional chelate 2-(p-isothiocyanatobenzyl)-6- methyldiethylenetriaminepentaacetic acid. - Izard,M.E.; Boniface,G.R.; Hardiman,K.L.; Brechbiel,M.W.; Gansow,O.A.; Walkers,K.Z. (Bioconjug Chem, 1992)