％0刊杂志，戴夫％a watz，henrik％a beeh，kai michael％akornmann，oliver％泄漏，Brian％a colgan，Brendan％a lucci，germano％a emirova，艾米替米尔，玛丽Anna％A Santoro，Debora％A Balzano，Deborah％A Govoni，Mirco％T Copd Sputum Eosinophils：与血液嗜酸性粒细胞的关系和吸入PDE4抑制％D 2020％R 10.19.19.19.19.17.00237-2020％J欧洲呼吸轴颈％p2000237％v 56％n 2％u //www.qdcxjkg.com/content/erj/56/2/2000237.full.pdf