Does Covid-19 affects smokers differently ?2021-11-250 PRE AI MM. Ferchichi IIkbel Khalfallah SS. Louhaichi NN. Boubaker JJamel Ammar BB. Hamdi AA. Hamzaoui DOI:10.1183/13993003.congress-2021.PA3212原文链接原文求助分享收藏摘要 En Keyword:Covid-19 Adults Smoking