Supplement – Supplemental material for Comparative measurement properties of constant work rate cycling and the endurance shuttle walking test in COPD: the TORRACTO® clinical trial

Supplemental material, Supplement for Comparative measurement properties of constant work rate cycling and the endurance shuttle walking test in COPD: the TORRACTO® clinical trial by François Maltais, Denis E. O’Donnell, Alan Hamilton, Yihua Zhao and Richard Casaburi in Therapeutic Advances in Respiratory Disease