title: 13C-urea breath test: further modification towards an unrestricted use.
authors: P
authors: P
authors: Malfertheiner
mesh_terms: D001944:Breath Tests / Q000379:methods*; D002247:Carbon Isotopes; D016481:Helicobacter Infections / Q000175:diagnosis*; D016480:Helicobacter pylori; D006801:Humans; D014508:Urea
chemical_list: D002247:Carbon Isotopes; D014508:Urea