RT Journal Article SR Electronic T1 Analysis of pathological changes in the epithelium in COVID-19 patient airways JF ERJ Open Research JO erjor FD European Respiratory Society SP 00690-2020 DO 10.1183/23120541.00690-2020 VO 7 IS 2 A1 Yin, Wenguang A1 Cao, Weitao A1 Zhou, Guangde A1 Wang, Lifei A1 Sun, Jing A1 Zhu, Airu A1 Wang, Zhongfang A1 Zhou, Yumin A1 Liu, Xiaoqing A1 Li, Yimin A1 Zhong, Nanshan A1 Zhao, Jincun A1 Liu, Lei A1 Ran, Pixin YR 2021 UL http://openres.ersjournals.com/content/7/2/00690-2020.abstract AB