RT Journal Article SR Electronic T1 Relationship of cellular folate cofactor pools to the activity of 5-fluorouracil. JF Molecular Pharmacology JO Mol Pharmacol FD American Society for Pharmacology and Experimental Therapeutics SP 190 OP 197 VO 23 IS 1 A1 M B Yin A1 S F Zakrzewski A1 M T Hakala YR 1983 UL http://molpharm.aspetjournals.org/content/23/1/190.abstract AB