%0期刊文章%约翰逊(Johnson),Miriam J.%A Bland,J。Martin%A Oxberry,Stephen G.%Abernethy,Amy P.%A currow,David C.%T型呼吸困难的改善:应绝对或相对使用值?%D 2014%R 10.1183/09031936.00108014%J欧洲呼吸杂志%p 1700-1703%v 44%n 6%u //www.qdcxjkg.com/content.com/content/content/erj/erj/44/6/6/6/1700.full.pdf