We demonstrate that mRNAs for all three of these regulatory factors are expressed in fetal blood cells by the 27th week of gestation and in term cord bloods .
we demonstrate that mrnas for all three of these regulatory factors are expressed in fetal blood cells by the 27th week of gestation and in term cord bloods .
O O O B-RNA_family_or_group O O O O O O O O O O B-cell_type I-cell_type I-cell_type O O O O O O O O B-tissue I-tissue I-tissue O