％0期刊文章％A WOUTERS，EMIELF.M.％t在COPD％D 10.1183 / 13993003.00487-2019％j欧洲呼吸轴颈％p 1900487％v 53％n 4％u //www.qdcxjkg.com/content/erj/53/ 4/1900487.full.pdf.