title: Dissociation and reassociation of RTF and r-determinants of the R-factor NR1 in Proteus mirabilis.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D002499:Centrifugation, Density Gradient; D003470:Culture Media; D004269:DNA, Bacterial / Q000032:analysis; D004352:Drug Resistance, Microbial; D005796:Genes; D005827:Genetics, Microbial; D011511:Proteus; D011513:Proteus mirabilis / Q000032:analysis / Q000254:growth & development
chemical_list: D000900:Anti-Bacterial Agents; D003470:Culture Media; D004269:DNA, Bacterial