tokens: Cloning and expression of the Epstein-Barr virus -encoded dUTPase : patients with acute , reactivated or chronic virus infection develop antibodies against the enzyme .
folded_tokens: cloning and expression of the epstein-barr virus -encoded dutpase : patients with acute , reactivated or chronic virus infection develop antibodies against the enzyme .
labels: O O O O O B-virus I-virus O O O B-multi_cell O O O O O O B-other_name I-other_name O B-protein_family_or_group O O B-protein_family_or_group O