title: Epidemiology of S typhimurium.
authors.forename: P E
authors.initials: PE
authors.lastname: Curtis
authors.forename: J R
authors.initials: JR
authors.lastname: Walton
authors.forename: W R
authors.initials: WR
authors.lastname: Ward
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology / Q000382:microbiology*; D012481:Salmonella Infections, Animal / Q000453:epidemiology*; D012486:Salmonella typhimurium