title: The Widal test--more than 100 years old: abused but still used.
authors.forename: Camilla
authors.initials: C
authors.lastname: Rodrigues
mesh_terms: D005189:False Positive Reactions; D006801:Humans; D012475:Salmonella / Q000145:classification; D014435:Typhoid Fever / Q000097:blood / Q000175:diagnosis* / Q000276:immunology