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Comparison of NK cells from donor-matched HPDSC and UCB units. (A) Immunophenotypic characterization of NK cells from donor-matched HPDSC and UCB units, the two-sample t-test was used to determine if population means are equal in HPDSC and UCB. (B) Cytotoxicity of expanded NK cells from donor-matched HPDSC and UCB units against K562 cells.
