title: Genetic diversity within E.coli.
authors.forename: J R
authors.initials: JR
authors.lastname: Johnson
mesh_terms: D000818:Animals; D004586:Electrophoresis / Q000379:methods; D004926:Escherichia coli / Q000145:classification / Q000235:genetics*; D014644:Genetic Variation; D007527:Isoenzymes / Q000235:genetics; D010802:Phylogeny
chemical_list: D007527:Isoenzymes