1. Physical activity declines in COPD while exercise capacity remains stable: A longitudinal study over 5 years. (August 2018) Authors: Sievi, Noriane A.; Brack, Thomas; Brutsche, Martin H.; Frey, Martin; Irani, Sarosh; Leuppi, Jörg D.; Thurnheer, Robert; Kohler, Malcolm; Clarenbach, Christian F. Journal: Respiratory medicine Issue: Volume 141(2018) Page Start: 1 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗