Effect Size Of Open-Label Versus Double-Blind Administration Of Tiotropium ln Trials lnvestigating Health-Related Quality Of Life ln COPD

Pneumologie ◽  
2015 ◽  
Vol 69 (S 01) ◽  
Author(s):  
H Schmidt ◽  
H Kögler ◽  
S Geier ◽  
T Glaab ◽  
I Leimer
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