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Salomon, Joerg; Stolz, Daiana; Domenighetti, Guido; Frey, Jean-Georges; Turk, Alexander J; Azzola, Andrea; Sigrist, Thomas; Fitting, Jean-William; Schmidt, Ulrich; Geiser, Thomas; Wild, Corinne; Kostikas, Konstantinos; Clemens, Andreas; Brutsche, Martin (2017). Indacaterol and glycopyrronium versus indacaterol on body plethysmography measurements in COPD-a randomised controlled study. Respiratory research, 18(1), p. 13. BioMed Central 10.1186/s12931-016-0498-1
