title: Ribonucleotide reductase over-production in hydroxyurea resistant mouse cells.
mesh_terms: D000818:Animals; D002460:Cell Line; D002478:Cells, Cultured; D006918:Hydroxyurea / Q000494:pharmacology*; D051379:Mice; D012264:Ribonucleotide Reductases / Q000096:biosynthesis*
chemical_list: D012264:Ribonucleotide Reductases; D006918:Hydroxyurea