tokens: 1 , 25 alpha-Dihydroxicholecalciferol ( VitD3 ) and retinoic acid ( RA ) are important regulators of the proliferation and differentiation of several cell types .
folded_tokens: 1 , 25 alpha-dihydroxicholecalciferol ( vitd3 ) and retinoic acid ( ra ) are important regulators of the proliferation and differentiation of several cell types .
labels: B-lipid I-lipid I-lipid I-lipid O B-lipid O O B-other_organic_compound I-other_organic_compound O B-other_organic_compound O O O O O O O O O O O O O O