Sarma Aartik, Calfee Carolyn S
Division of Pulmonary, Critical Care, Allergy, and Sleep Medicine, Department of Medicine, University of California, San Francisco.
Department of Anesthesia, University of California, San Francisco.
JAMA Intern Med. 2020 Nov 1;180(11):1539-1540. doi: 10.1001/jamainternmed.2020.3027.