RT Journal Article SR Electronic T1 The clinical dynamics of 18 cases of COVID-19 outside of Wuhan, China JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2000398 DO 10.1183/13993003.00398-2020 A1 Lei Wang A1 Yong-hua Gao A1 Li-Li lou A1 Guo-Jun Zhang YR 2020 UL http://erj.ersjournals.com/content/early/2020/03/17/13993003.00398-2020.abstract AB