Ko Yousang, Kim Changwhan, Park Yong Bum
Division of Pulmonary, Allergy and Critical Care Medicine, Department of Internal Medicine, Hallym University Kangdong Sacred Heart Hospital, Seoul, Republic of Korea; and.
Department of Internal Medicine, Jeju National University Hospital, Jeju, Republic of Korea.
Am J Respir Crit Care Med. 2020 Aug 15;202(4):e88-e89. doi: 10.1164/rccm.201911-2147IM.