title: Studies on partially virulent mutants of lambda bacteriophage. I. Isolation and general characterization.
mesh_terms: D003090:Coliphages / Q000254:growth & development / Q000302:isolation & purification; D004926:Escherichia coli; D005796:Genes; D005827:Genetics, Microbial; D009153:Mutagens; D009154:Mutation; D013696:Temperature; D014466:Ultraviolet Rays; D014774:Virulence; D014779:Virus Replication
chemical_list: D009153:Mutagens