AUTHOR=van Lier Dirk , Kox Matthijs , Pickkers Peter TITLE=Commentary: Plasma angiotensin II is increased in critical coronavirus disease 2019 JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2022.1012452 DOI=10.3389/fcvm.2022.1012452 ISSN=2297-055X