title: Complementation experiments between conditional lethal mutants of bacteriophage psiX 174.
mesh_terms: D001435:Bacteriophages; D002874:Chromosome Mapping; D004926:Escherichia coli; D005804:Genes, Lethal; D005816:Genetic Complementation Test; D005827:Genetics, Microbial; D012760:Shigella