Authors: Coelho, LGV Reber, M Passos, MCF Aguiar, ROA Casaes, PE Bueno, ML Yazaki, FR Castro, FJ Vieira, WLS Franco, JMM Castro, LP

Citation: Lgv. Coelho et al., Application of isotope-selective non-dispersive infrared spectrometry for the evaluation of the C-13-urea breath test: comparison with three concordant methods, BRAZ J MED, 32(12), 1999, pp. 1493-1497