A new double-tracer gas single-breath washout to assess early cystic fibrosis lung disease
Florian Singer, Georgette Stern, Cindy Thamrin, Chiara Abbas, Carmen Casaulta, Urs Frey, Philipp Latzin
European Respiratory Journal Feb 2013, 41 (2) 339-345; DOI: 10.1183/09031936.00044312