title: Isolation of ultraviolet-denatured regions of DNA and their base composition.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002417:Cattle; D002850:Chromatography, Gel; D004247:DNA / Q000032:analysis / Q000528:radiation effects*; D003851:Deoxyribonucleases / Q000494:pharmacology; D007094:Imides / Q000494:pharmacology; D008099:Liver / Q000032:analysis; D009691:Nucleic Acid Denaturation; D009696:Nucleic Acids; D009711:Nucleotides / Q000032:analysis; D011830:Radiation Effects; D051381:Rats; D013936:Thymidine / Q000378:metabolism; D013950:Thymus Gland / Q000032:analysis; D014466:Ultraviolet Rays
chemical_list: D002247:Carbon Isotopes; D007094:Imides; D009696:Nucleic Acids; D009711:Nucleotides; D004247:DNA; D003851:Deoxyribonucleases; D013936:Thymidine