title: In vivo and in vitro "phenotypic mixing" with amber mutants of phages T3 and T7.
mesh_terms: D003090:Coliphages / Q000378:metabolism; D005827:Genetics, Microbial; D007106:Immune Sera; D010641:Phenotype; D011995:Recombination, Genetic
chemical_list: D007106:Immune Sera