TY - JOUR A1 - Vogt, J. A1 - Wachter, A. A1 - Mehring, U. A1 - Radermacher, J. A1 - Georgieff, P. A1 - Fischer, M. A1 - Hölscher, H. A1 - Moede, U. A1 - Fabinski, M. T1 - Adaption of the NDIR-technology to 13CO2-breath tests under increased inspiratory O2 concentrations JF - Journal of Applied Physiology Y1 - 2009 IS - 107 SP - 302 EP - 307 ER -