% 0期刊文章%梁,Janice m . %, Chen X. %A Tam, Anthony %A Shaipanich, Tawimas %A Hackett, Tillie-Louise %A Singhera, Gurpreet K. %A Dorscheid, Delbert R. %A Sin, Don D. %T ACE-2 expression in the small airway epithelia of smokers and COPD patients: implications for COVID-19 %D 2020 %R 10.1183/13993003.00688-2020 %J European Respiratory Journal %P 2000688 %V 55 %N 5 %U //www.qdcxjkg.com/content/erj/55/5/2000688.full.pdf