_:vb50935005 . _:vb50935005 . "A poison role is the role of a substance that causes some negative disturbance in an organism."@en . "poison role"@en . . "SIO_000968" . _:vb50935005 . . . _:vb50935005 . _:vb50935005 . . _:vb50935005 ":arcc045b448" .