Variability in objective and subjective measures affects baseline values in studies of patients with COPD.
scientific article published on 21 September 2017
Author/s
author: Wayne H Anderson, David Couper, Nadia N Hansel, R. Graham Barr, Prescott G. Woodruff, Robert Paine, MeiLan K Han, Fernando J Martinez, Christopher B Cooper, Richard E Kanner, Stephen I Rennard, Donald P Tashkin, Jeffrey L. Curtis, Eugene R Bleecker, Wanda K. O’Neal, Claire M Doerschuk, Eric A C Kleerup, SPIROMICS Research Group, Elizabeth E Carretta, Michael Drummond