methotrexate ( mtx ) was coupled to an igm monoclonal antibody specific for stage-specific embryonic antigen-1 ( ssea-1 ) , and the resulting immunoconjugate ( mtx-anti-ssea-1 ) was used for in vivo drug targeting in mice bearing mh-15 teratocarcinoma .
C0003241
antibody
C0243020
immunoconjugate