tokens: Its 50% effective and cytotoxic concentrations were 0 . 016 and 2 . 2 microg/ml in PMA -stimulated U1 cells , respectively .
folded_tokens: its 50% effective and cytotoxic concentrations were 0 . 016 and 2 . 2 microg/ml in pma -stimulated u1 cells , respectively .
labels: O O O O O O O O O O O O O O O O B-other_organic_compound O O O O O O