title: Studies of mammalian ribonucleotide reductase activity in intact permeabilized cells: a genetic approach.
mesh_terms: D000818:Animals; D002460:Cell Line; D002463:Cell Membrane Permeability; D006224:Cricetinae; D003412:Cricetulus; D004351:Drug Resistance; D006144:Guanazole / Q000494:pharmacology; D006801:Humans; D006918:Hydroxyurea / Q000031:analogs & derivatives / Q000494:pharmacology; D007700:Kinetics; D007739:L Cells / Q000201:enzymology; D051379:Mice; D009154:Mutation; D012264:Ribonucleotide Reductases / Q000378:metabolism*
chemical_list: C017103:carbamoyloxyurea; D012264:Ribonucleotide Reductases; D006144:Guanazole; D006918:Hydroxyurea