tokens: However , it is currently unknown how RA and RARs are involved in regulating normal hematopoietic differentiation .
folded_tokens: however , it is currently unknown how ra and rars are involved in regulating normal hematopoietic differentiation .
labels: O O O O O O O B-other_organic_compound O B-protein_family_or_group O O O O O B-other_name I-other_name O