title: Infection of frozen and thawed bacteria with isolated DNA of phage 1phi7.
mesh_terms: D001435:Bacteriophages; D004267:DNA Viruses; D004279:DNA, Viral; D004926:Escherichia coli; D005615:Freezing; D011514:Proteus vulgaris; D014170:Transformation, Genetic; D014779:Virus Replication
chemical_list: D004279:DNA, Viral