even though phytohemagglutinin-stimulated bs lymphocytes from the two bs patients studied all showed high levels of sister chromatid exchange ( sce ) , one of the bs t-lines retained the high sce level in 100 % of the cells and the other bs t-line contained two populations , one with high sce ( 70 % ) and the other with normal sce ( 30 % ) , at a relatively constant frequency over 6 months .
C0007634
the
C0037211
sce