Effect of mγ3-anti CD3ɛ and hamster anti-CD3ɛ administration on allogeneic skin graft survival. BALB/c mice were injected with 30 μg of anti-CD3ɛ MoAbs and grafted with MHC-mismatched A/J tail skin on the day of antibody treatment. Control animals were injected with PBS. P < .001 for hamster versus mγ3 anti-CD3ɛ or control, PBS-treated animals; P is not significant for mγ3 anti-CD3ɛ versus control, PBS-treated animals.