tokens: In this study , we examined seven EBV -positive gastric carcinoma tissues for viral gene expression at the mRNA level , from which studies on the EBV oncogenicity in human epithelial cells will benefit .
folded_tokens: in this study , we examined seven ebv -positive gastric carcinoma tissues for viral gene expression at the mrna level , from which studies on the ebv oncogenicity in human epithelial cells will benefit .
labels: O O O O O O O B-virus O B-other_name I-other_name O O B-other_name I-other_name I-other_name O O B-other_name I-other_name O O O O O O B-virus O O B-cell_type I-cell_type I-cell_type O O O