from 6 to 10 % of the leu-11+ cells and from 42 to 66 % of the leu-11- cells plated gave rise to clonal progenies that were tested simultaneously for cytolytic activity against fresh melanoma cells and nk-sensitive k562 target cells in a 4-hr 51cr-release assay .
C0007634
cells
C1536403
cytolytic