title: The serum 13C-bicarbonate assay: a replacement for urea breath tests?
authors.forename: P
authors.initials: P
authors.lastname: Moayyedi
mesh_terms: D001639:Bicarbonates / Q000097:blood*; D001944:Breath Tests; D016481:Helicobacter Infections / Q000175:diagnosis* / Q000382:microbiology; D016480:Helicobacter pylori; D006801:Humans; D013058:Mass Spectrometry; D014508:Urea / Q000032:analysis
chemical_list: D001639:Bicarbonates; D014508:Urea