title: Clonal origin, virulence factors, and virulence.
authors.forename: J R
authors.initials: JR
authors.lastname: Johnson
authors.forename: M
authors.initials: M
authors.lastname: Kuskowski
mesh_terms: D000818:Animals; D004926:Escherichia coli / Q000145:classification / Q000235:genetics / Q000472:pathogenicity*; D004927:Escherichia coli Infections / Q000209:etiology; D016680:Genome, Bacterial; D051379:Mice; D010802:Phylogeny; D014774:Virulence / Q000235:genetics