Anet, R Density gradient relaxation: a method for preparative buoyant density separation of DNA. [electronic resource] - Biochemical and biophysical research communications Feb 1969 - 328-34 p. digital Publication Type: Journal Article ISSN: 0006-291X Standard No.: 10.1016/0006-291x(69)90836-5 doi Subjects--Topical Terms: Ammonium Chloride--metabolismCentrifugationCentrifugation, Density GradientChemistry Techniques, AnalyticalColiphagesDNA--isolation & purificationDNA, Bacterial--biosynthesisDNA, ViralDensitometryEscherichia coli--metabolismMethodsMicrococcusNitrogenRadioisotopes