title: The correlated occurrence of duplications and deletions in phage T4.
mesh_terms: D003090:Coliphages / Q000378:metabolism*; D003433:Crosses, Genetic; D004247:DNA / Q000378:metabolism*; D004926:Escherichia coli; D009154:Mutation; D011995:Recombination, Genetic
chemical_list: D004247:DNA