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Engraftment of human hematopoietic repopulating cells and vector marking in peripheral blood in vivo. (a) Engraftment of human hematopoietic repopulating cells in peripheral blood collected 6–27 weeks post-transplant. (b) Proportion of human hematopoietic repopulating cells expressing EGFP. (c) Multi-lineage marking in peripheral blood. Marking was quantified by expression of enhanced green fluorescent protein (EGFP).
