_:YxCbWzih508 . _:YxCbWzih508 "9702969". _:YxCbWzih509 . _:YxCbWzih509 "Labetuzumab". _:YxCbWzih510 . _:YxCbWzih510 "labetuzumab". . . . . . . _:YxCbWzih508. _:YxCbWzih509. _:YxCbWzih510. _:YxCbWzih511. . . . . "Source: Freebase - The World's database". "Labetuzumab"@en. . . _:YxCbWzih511 . _:YxCbWzih511 "CEA-CIDE".