RT Journal Article SR Electronic T1 Quality of life measured by the St George's Respiratory Questionnaire and spirometry JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.00116808 A1 M. Weatherall A1 S. Marsh A1 P. Shirtcliffe A1 M. Williams A1 J. Travers A1 R. Beasley YR 2009 UL http://erj.ersjournals.com/content/early/2009/01/22/09031936.00116808.abstract AB