RT期刊文章SR电子T1撤军inhaled corticosteroids in COPD JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2001778 DO 10.1183/13993003.01778-2020 VO 56 IS 1 A1 Chalmers, James D. A1 Miravitlles, Marc YR 2020 UL //www.qdcxjkg.com/content/56/1/2001778.abstract AB