tokens: A/R also induced an oxidant stress in naive HUVECs , but not in A/R -tolerant HUVECs .
folded_tokens: a/r also induced an oxidant stress in naive huvecs , but not in a/r -tolerant huvecs .
labels: B-other_name O O O O O O O B-cell_line O O O O B-other_name O B-cell_line O