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NK92 lysis of human tumor cell lines. NK cells were co-cultured with different target tumor cells to an 8-h lysis assay at different E:T ratios. Analysis of blood (A), lung (B), lymphoma (C and D), breast (E and F) and uterine tumors (G and H) using the CCK-8 assay. The results shown are the means (SD) of triplicate measurements from one of at least three comparable replicates
