Comparison of a dry powder inhaler (DPI) to a pressurized metered-dose inhaler (pMDI) formulation of extra fine beclomethasone dipropionate/formoterol fumarate/glycopyrronium bromide (BDP/FF/GB) in patients with COPD: The TRI-D study

Author(s):  
Kai Michael Beeh ◽  
Piotr Kuna ◽  
Isabelle Viaud ◽  
Alessandro Guasconi ◽  
Massimo Corradi ◽  
...  
CHEST Journal ◽  
1999 ◽  
Vol 115 (4) ◽  
pp. 952-956 ◽  
Author(s):  
Michael T. Newhouse ◽  
Normand P. Nantel ◽  
Carole B. Chambers ◽  
Barbara Pratt ◽  
Mark Parry-Billings

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