tokens: To address this issue , we have investigated IL-12 expression in B cells during in vitro transformation with EBV .
folded_tokens: to address this issue , we have investigated il-12 expression in b cells during in vitro transformation with ebv .
labels: O O O O O O O O B-protein_molecule O O B-cell_type I-cell_type O B-other_name I-other_name I-other_name O B-virus O