title: Results of a prospective comparison pilot validation study of a low-dose tablet formulation 13C urea and citric acid breath test employing a novel automated nondispersive isotope selective infrared spectroscopy analyser for the diagnosis of Helicobacter pylori infection.
authors.forename: Victoria
authors.initials: V
authors.lastname: Porter
authors.forename: Ali
authors.initials: A
authors.lastname: Zahid
authors.forename: Barbara
authors.initials: B
authors.lastname: Mackie
authors.forename: Deirdre Ann
authors.initials: DA
authors.lastname: McNamara
mesh_terms: D001944:Breath Tests / Q000379:methods; D002247:Carbon Isotopes; D019343:Citric Acid; D004812:Epidemiologic Methods; D016481:Helicobacter Infections / Q000175:diagnosis*; D016480:Helicobacter pylori; D006801:Humans; D013055:Spectrophotometry, Infrared / Q000379:methods
chemical_list: D002247:Carbon Isotopes; D019343:Citric Acid