AUTHOR=Mirastschijski Ursula , Dembinski Rolf , Maedler Kathrin TITLE=Lung Surfactant for Pulmonary Barrier Restoration in Patients With COVID-19 Pneumonia JOURNAL=Frontiers in Medicine VOLUME=7 YEAR=2020 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2020.00254 DOI=10.3389/fmed.2020.00254 ISSN=2296-858X