tokens: We observed no change in membrane structural order with RU 486 up to a concentration of 10 ( -4 ) M .
folded_tokens: we observed no change in membrane structural order with ru 486 up to a concentration of 10 ( -4 ) m .
labels: O O O O O B-cell_component O O O B-other_organic_compound I-other_organic_compound O O O O O O O O O O O