Lewis, W H Assay of ribonucleotide reduction in nucleotide-permeable hamster cells. [electronic resource] - Journal of cellular physiology Mar 1978 - 287-98 p. digital Publication Type: Journal Article ISSN: 0021-9541 Standard No.: 10.1002/jcp.1040940306 doi Subjects--Topical Terms: AnimalsCell CycleCell LineCell Membrane Permeability--drug effectsCricetinaeDNA--biosynthesisIn Vitro TechniquesIsoleucine--metabolismOxidation-ReductionPolysorbates--pharmacologyRibonucleotide Reductases--metabolismRibonucleotides--metabolismThymidine--metabolismTissue Extracts--isolation & purification