Variability in objective and subjective measures affects baseline values in studies of patients with COPD

by Anderson, Wayne, Ha, Jae Wook, Couper, David J., O’Neal, Wanda K., Barr, R. Graham, Bleecker, Eugene R., Carretta, Elizabeth E., Cooper, Christopher B., Doerschuk, Claire M., Drummond, M. Bradley, Han, MeiLan K., Hansel, Nadia N., Kim, Victor, Kleerup, Eric C., Martinez, Fernando J., Rennard, Stephen I., Tashkin, Donald, Woodruff, Prescott G., Paine III, Robert, Curtis, Jeffrey L., Kanner, Richard E., SPIROMICS Research Group
Published 2017