RT期刊文章SR电子T1吸烟,ACE-2and COVID-19: ongoing controversies JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2001759 DO 10.1183/13993003.01759-2020 VO 56 IS 1 A1 Leung, Janice M. A1 Sin, Don D. YR 2020 UL //www.qdcxjkg.com/content/56/1/2001759.abstract AB