tokens: BACKGROUND : Adhesion molecule expression on the endothelial cell ( EC ) surface is critical for leukocyte recruitment to atherosclerotic lesions .
folded_tokens: background : adhesion molecule expression on the endothelial cell ( ec ) surface is critical for leukocyte recruitment to atherosclerotic lesions .
labels: O O B-other_name I-other_name I-other_name O O B-cell_component I-cell_component I-cell_component I-cell_component I-cell_component I-cell_component O O O B-other_name I-other_name O B-other_name I-other_name O