％0期刊文章％A Zhang，Fuquan％A Baranova，Ancha％T吸烟数量地增加了COVID-19％D 2021％R 10.1183/13993003.01273-2021％J欧洲呼吸杂志p 2101273％u https：// Erj。ersjournals.com/content/erj/early/2021/07/21/13993003.01273-2021.full.pdf