the baseline sister-chromatid exchanges ( sces ) and the percentage of first ( m1 ) , second ( m2 ) and third or higher metaphase ( m3+ ) chromosomes were analysed in bone-marrow cells of male and female c57bl/6 mice and chinese hamsters following serial intraperitoneal injections of 40 micrograms/g body weight ( b.w . ) of 5-bromo-2'-deoxyuridine ( brdurd ) and 2 micrograms/g b.w . of 5-fluorodeoxyuridine ( fdurd ) or 40 micrograms/g b.w . of brdurd and 10 micrograms/g b.w . of deoxycytidine ( dc ) .
C0016343
5-fluorodeoxyuridine
C0011535
brdurd