the relationship between cytotoxicity and fluoropyrimidine effects on the production of mature cytoplasmic 28s and 18s ribosomal rna was studied in s-180 cells for the fluoropyrimidines : 5-fluorouracil ( fura ) , 5-fluorouridine ( furd ) , 5-fluorodeoxyuridine ( fdurd ) , and 5'-deoxy-5-fluorouridine ( 5'-dfurd ) .
C0010834
cytoplasmic
C0007634
cells