title: Molecular weight analysis of mammalian DNA.
mesh_terms: D001973:Bromodeoxyuridine / Q000378:metabolism; D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D004247:DNA / Q000032:analysis* / Q000096:biosynthesis; D007739:L Cells / Q000032:analysis* / Q000378:metabolism; D008970:Molecular Weight; D013942:Thymine Nucleotides / Q000378:metabolism; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D013942:Thymine Nucleotides; D014316:Tritium; D004247:DNA; D001973:Bromodeoxyuridine