Prone position improves lung ventilation-perfusion matching in non-intubated COVID-19 patients: a prospective physiologic studyLiu, Ling; Xie, Jianfeng; Wang, Changsong; Zhao, Zhanqi; Chong, Yang; Yuan, Xueyan; Qiu, Haibo; Zhao, Mingyan; Yang, Yi*; Slutsky, Arthur S.Science Citation Index Expanded哈尔滨医科大学; 中国人民解放军第四军医大学; 1; y摘要-关键词-