tokens: Cell surface markers in the YJ cells were positive for CD33 and were negative for CD34 , CD16 and CD23 .
folded_tokens: cell surface markers in the yj cells were positive for cd33 and were negative for cd34 , cd16 and cd23 .
labels: B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O B-cell_line I-cell_line O O O B-protein_molecule O O O O B-protein_molecule O B-protein_molecule O B-protein_molecule O