Opsonization with a trifunctional bispecific (αCD3 × alphaEpCAM) antibody results in efficient lysis in vitro and in vivo of EpCAM positive tumor cells by cytotoxic T lymphocytes. - Schmitt,M.; Schmitt,A.; Reinhardt,P.; Thess,B.; Manfras,B.; Lindhofer,H.; Riechelmann,H.; Wiesneth,M.; Gronau,S. (Int J Oncol, 2004)