RT Journal Article SR Electronic T1 Circadian variation of fluoropyrimidine catabolic enzymes in rat liver: possible relevance to 5-fluorodeoxyuridine chemotherapy. JF Drug Metabolism and Disposition JO Drug Metab Dispos FD American Society for Pharmacology and Experimental Therapeutics SP 285 OP 287 VO 19 IS 1 A1 G C Daher A1 R W Zhang A1 S J Soong A1 R B Diasio YR 1991 UL http://dmd.aspetjournals.org/content/19/1/285.abstract AB