％0刊杂志％a ng，ziqin％a tay，woo chiao％a ho，choon heng benjamin％t清醒的易于定位非加管氧依赖性covid -19肺炎患者％d 2020％r 10.19.19.19.02571-2020％j欧洲呼吸期刊％p 2002571％U //www.qdcxjkg.com/content/erj/early/2020/07/09/13993003.pdf