Negative impacts of unreported COPD exacerbations on health-related quality of life at one year

W. Xu, J-P. Collet, S. Shapiro, Y. Lin, T. Yang, C. Wang, J. Bourbeau
European Respiratory Journal 2009; DOI: 10.1183/09031936.00079409

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    • Supplementary material -
      Online Data Supplement A: Confounding evaluation using Directed Acyclic Graphs (DAGs)
      Online data supplement B: Characteristics of unreported and reported exacerbations according to GOLD stages.
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Negative impacts of unreported COPD exacerbations on health-related quality of life at one year
W. Xu, J-P. Collet, S. Shapiro, Y. Lin, T. Yang, C. Wang, J. Bourbeau
European Respiratory Journal Nov 2009, DOI: 10.1183/09031936.00079409
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