• 1
    Perri F, Zagari RM, Uebersax JS, Quitadamo M, Bazzoli F and Helicobacter pylori SIGE Study Group on 13CO2 Measurement Standardization. An inter- and intra-laboratory comparison of breath 13CO2 analysis. Aliment Pharmacol Ther 2003; 17: 12917.
  • 2
    Ghoos Y, Maes B, Geypens B, et al. Measurement of gastric emptying rate of solids by means of a carbon-labeled octanoic acid breath test. Gastroenterology 1993; 104: 16407.
  • 3
    Schadewaldt P, Schommartz B, Wienrich G, Brosicke H, Piolot R, Ziegler D. Application of isotope-selective nondispersive infrared spectrometry (IRIS) for evaluation of 13C-octanoic acid gastric-emptying breath tests: comparison with isotope ratio-mass spectrometry (IRMS). Clin Chem 1997; 43: 51822.
  • 4
    Savarino V, Mela GS, Zentilin P, et al. Comparison of isotope ratio mass spectrometry and nondispersive isotope-selective infrared spectroscopy for 13C-urea breath test. Am J Gastroenterol 1999; 94: 12038.
    Direct Link:
  • 5
    Adamek RJ, Goetze O, Boedeker C, Pfaffenbach B, Luypaerts A, Geypens B. 13C-methacetin breath test: isotope-selective nondispersive infrared spectrometry in comparison to isotope ratio mass spectrometry in volunteers and patients with liver cirrhosis. Z Gastroenterol 1999; 37: 113943.
  • 6
    Jonderko K, Kasicka-Jonderko A, Blonska-Fajfrowska B. The reproducibility of 13CO2 measurement.. Aliment Pharmacol Ther 2004; 19: 1424.