the effect of a tumor promoter , 12-o-tetradecanoyl-phorbol 13-acetate ( tpa ) alone and in combination with mitomycin c ( mmc ) or cyclophosphamide ( cpp ) on the induction of sister-chromatid exchanges ( sce ) in chinese hamster v79 cells was investigated .
C0037211
sister-chromatid exchanges
C0007634
cells