One-year change in health status and subsequent outcomes in COPD.

Sarah Wilke, Paul W Jones, H Müllerova, Jørgen Vestbo, Ruth Tal-Singer, Frits M E Franssen, Alvar Agusti, Per Bakke, Peter M Calverley, Harvey O Coxson, Courtney Crim, Lisa D Edwards, David A Lomas, William MacNee, Stephen I Rennard, Julie C Yates, Emiel F M Wouters, Martijn A Spruit