title: Isolation and characterization of deletions in bacteriophage lambda residing as prophage in E. coli K 12.
mesh_terms: D002874:Chromosome Mapping; D003090:Coliphages / Q000302:isolation & purification*; D005796:Genes; D005809:Genes, Regulator; D005827:Genetics, Microbial; D009154:Mutation; D009876:Operon