tokens: Studies were also performed with an HL-60/vinc revertant ( HL-60/vinc/R ) line that has regained partial sensitivity to vincristine .
folded_tokens: studies were also performed with an hl-60/vinc revertant ( hl-60/vinc/r ) line that has regained partial sensitivity to vincristine .
labels: O O O O O O B-cell_line I-cell_line O B-cell_line O O O O O O O O B-other_organic_compound O