tokens: Furthermore , the usefulness of knock-out mice for the generation of monoclonal antibodies against the gene product of interest is underscored .
folded_tokens: furthermore , the usefulness of knock-out mice for the generation of monoclonal antibodies against the gene product of interest is underscored .
labels: O O O O O B-other_artificial_source I-other_artificial_source O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O O O O