1. P249 Effect Size Of Open-label Versus Double-blind Administration Of Tiotropium In Trials Investigating Health-related Quality Of Life In Copd. (10th November 2014) Authors: Schmidt, H; Kögler, H; Geier, S; Glaab, T; Leimer, I Journal: Thorax Issue: Volume 69(2014)Supplement 2 Page Start: A186 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗