We read with great interest the study by Huh et al. (1), in which the authors present an intriguing technological innovation: the two-level high-flow nasal cannula (Bi-HFNC), designed to alternate ...
Correspondence to Dr Lorraine B Ware, Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University School of Medicine, Nashville, TN 37232, USA; ...
7 Royal Surrey County Hospital NHS Foundation Trust and Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK ...