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A radioimmunotherapeutic monoclonal antibody (MN-14) directed against tumor-associated carcinoembryonic antigen (CEA) and chelated to the radioisotope yttrium-90 (Y 90). Yttrium 90 monoclonal antibody MN-14 binds to tumor cell expressing CEA, delivering a cytotoxic dose of beta radiation. (NCI04)
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