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Evaluation of COPD Longitudinally to Identify Predictive Surrogate End-points (ECLIPSE)
J. Vestbo, W. Anderson, H. O. Coxson, C. Crim, F. Dawber, L. Edwards, G. Hagan, K. Knobil, D. A. Lomas, W. MacNee, E. K. Silverman, R. Tal-Singer, on behalf of the ECLIPSE investigators
European Respiratory Journal 31 (4) 869-873; DOI: 10.1183/09031936.00111707 Published 31 March 2008