title: DNA-DNA hybridization on filters at low temperature in the presence of formamide or urea.
mesh_terms: D000577:Amides; D003090:Coliphages; D004269:DNA, Bacterial; D004279:DNA, Viral; D004926:Escherichia coli; D005374:Filtration; D005559:Formamides; D007700:Kinetics; D009693:Nucleic Acid Hybridization; D013696:Temperature; D014465:Ultrasonics; D014508:Urea
chemical_list: D000577:Amides; D004269:DNA, Bacterial; D004279:DNA, Viral; D005559:Formamides; D014508:Urea