title: Fragmentation and reassociation of nuclear rat liver DNA.
mesh_terms: D000818:Animals; D002467:Cell Nucleus; D002501:Centrifugation, Zonal; D002852:Chromatography, Ion Exchange; D004247:DNA / Q000032:analysis*; D003851:Deoxyribonucleases; D006868:Hydrolysis; D008099:Liver; D009691:Nucleic Acid Denaturation; D051381:Rats; D014465:Ultrasonics
chemical_list: D004247:DNA; D003851:Deoxyribonucleases