tokens: Characterization of interleukin-10 receptor expression on B-cell chronic lymphocytic leukemia cells .
folded_tokens: characterization of interleukin-10 receptor expression on b-cell chronic lymphocytic leukemia cells .
labels: O O B-protein_molecule I-protein_molecule O O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O