tokens: Although case-oriented evidence for an association of Epstein-Barr virus ( EBV ) with gastric carcinoma has been accumulating recently , the interaction ( s ) between EBV and gastric epithelial cells is/are largely unknown .
folded_tokens: although case-oriented evidence for an association of epstein-barr virus ( ebv ) with gastric carcinoma has been accumulating recently , the interaction ( s ) between ebv and gastric epithelial cells is/are largely unknown .
labels: O O O O O O O B-virus I-virus O B-virus O O B-other_name I-other_name O O O O O O O O O O O B-virus O B-cell_type I-cell_type I-cell_type O O O O