tokens: The hormone delayed terminal differentiation into erythrocytes , which was assayed by morphology , hemoglobin accumulation , and the expression of genes characteristic for immature cells .
folded_tokens: the hormone delayed terminal differentiation into erythrocytes , which was assayed by morphology , hemoglobin accumulation , and the expression of genes characteristic for immature cells .
labels: O O O O O O B-cell_type O O O O O O O B-protein_complex O O O O O O O O O B-cell_type I-cell_type O