the results were as follows : concentrations of 5-fu in cancerous tissues measured 30 minutes and 2 hours after uft administration were 0.181 +/- 0.034 microgram/g and 0.562 +/- 0.145 micrograms/g respectively , while in patients to whom tegafur had been administered , they were 0.105 +/- 0.030 microgram/g and 0.126 +/- 0.015 microgram/g respectively .
C0016360
fu
C0016778
tegafur