Fig. 3

Cytotoxic activity of expanded NK cells against K-562 cells. 4 h cytotoxicity from 14 patients against K-562 target cells. Mean cell death in each patient at the indicated E:T ratios in triplicate cultures
Cytotoxic activity of expanded NK cells against K-562 cells. 4 h cytotoxicity from 14 patients against K-562 target cells. Mean cell death in each patient at the indicated E:T ratios in triplicate cultures