a high frequency of sister-chromatid exchange ( sce ) induced in cells of a human lymphoblastoid cell line , nl3 , by 2-h treatment with 1 microm mitomycin c ( mmc ) was maintained after holding the treated cells in a nonproliferating state for 48 h before cells were transferred into the brdurd-containing medium for sce assay .
C0037211
sister-chromatid exchange
C0007634
cells