tokens: Although retinoic acid ( RA ) has been known for many years to be a modulating agent that plays a role in generating both granulocytes and monocytes , the molecular mechanism underlying this role has not been defined in the monoblast lineage .
folded_tokens: although retinoic acid ( ra ) has been known for many years to be a modulating agent that plays a role in generating both granulocytes and monocytes , the molecular mechanism underlying this role has not been defined in the monoblast lineage .
labels: O B-other_organic_compound I-other_organic_compound O B-lipid O O O O O O O O O O O O O O O O O O O B-cell_type O B-cell_type O O O O O O O O O O O O O B-cell_type I-cell_type O