title: Genetic studies on rhizobiophage 16-3. II. Helper-induced transfection.
mesh_terms: D001435:Bacteriophages; D002874:Chromosome Mapping; D004279:DNA, Viral; D005827:Genetics, Microbial; D011995:Recombination, Genetic; D012231:Rhizobium; D013104:Spheroplasts
chemical_list: D004279:DNA, Viral