title: Typhoid fever and the Widal test.
authors.forename: P H
authors.initials: PH
authors.lastname: Rees
mesh_terms: D000372:Agglutination Tests / Q000379:methods*; D006801:Humans; D007630:Kenya / Q000453:epidemiology; D015203:Reproducibility of Results; D014435:Typhoid Fever / Q000097:blood / Q000175:diagnosis* / Q000453:epidemiology / Q000276:immunology*