RT Journal Article SR Electronic T1 Analysis of pathological changes of the epithelium in the COVID-19 patient airways JF ERJ Open Research JO erjor FD European Respiratory Society SP 00690-2020 DO 10.1183/23120541.00690-2020 A1 Wenguang Yin A1 Weitao Cao A1 Guangde Zhou A1 Lifei Wang A1 Jing Sun A1 Airu Zhu A1 Zhongfang Wang A1 Yumin Zhou A1 Xiaoqing Liu A1 Yimin Li A1 Nanshang Zhong A1 Jincun Zhao A1 Lei Liu A1 Pixin Ran YR 2021 UL http://openres.ersjournals.com/content/early/2021/01/14/23120541.00690-2020.abstract AB