title: Changes in structural integrity of heart DNA from aging mice.
mesh_terms: D000375:Aging; D000818:Animals; D002500:Centrifugation, Isopycnic; D004247:DNA; D004277:DNA, Single-Stranded; D004720:Endonucleases; D008297:Male; D051379:Mice; D008970:Molecular Weight; D009206:Myocardium / Q000648:ultrastructure
chemical_list: D004277:DNA, Single-Stranded; D004247:DNA; D004720:Endonucleases