title: Generalized transduction by phage P22 in Salmonella typhimurium. I. Molecular origin of transducing DNA.
mesh_terms: D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D004269:DNA, Bacterial; D004279:DNA, Viral; D003720:Densitometry; D008970:Molecular Weight; D009587:Nitrogen Isotopes; D011995:Recombination, Genetic; D012483:Salmonella Phages; D012486:Salmonella typhimurium; D014161:Transduction, Genetic; D014316:Tritium
chemical_list: D002247:Carbon Isotopes; D004269:DNA, Bacterial; D004279:DNA, Viral; D009587:Nitrogen Isotopes; D014316:Tritium