title: The isolation of restriction fragments containing the att site of bacteriophage lambda.
mesh_terms: D003090:Coliphages / Q000032:analysis*; D004262:DNA Restriction Enzymes; D004279:DNA, Viral / Q000032:analysis*; D005796:Genes; D009154:Mutation; D011995:Recombination, Genetic
chemical_list: D004279:DNA, Viral; D004262:DNA Restriction Enzymes