title: Isolation and identification of cross-linked nucleosides from nitrous acid treated deoxyribonucleic acid.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D004247:DNA; D008722:Methods; D009573:Nitrites; D009608:Nitrous Acid; D009705:Nucleosides / Q000302:isolation & purification*
chemical_list: D009573:Nitrites; D009705:Nucleosides; D004247:DNA; D009608:Nitrous Acid