tokens: Enhancer replacement is therefore an effective strategy to target expression of a retroviral transgene to a specific progeny of transduced hematopoietic stem cells .
folded_tokens: enhancer replacement is therefore an effective strategy to target expression of a retroviral transgene to a specific progeny of transduced hematopoietic stem cells .
labels: O O O O O O O O O O O O B-DNA_family_or_group I-DNA_family_or_group O O O O O B-cell_line I-cell_line I-cell_line I-cell_line O