％0期刊文章％afante，M。％t来自作者：％d 2009％r 10.1183/09031936.00103809％j欧洲呼吸杂志％p 1009-1010％v 34％n 4％u //www.qdcxjkg.com/content.com/content/content/content/erj/erj/34/4/4/1009.full.pdfff