Effect of Noninvasive Respiratory Strategies on Intubation or Mortality Among Patients With Acute Hypoxemic Respiratory Failure and COVID-19: The RECOVERY-RS Randomized Clinical Trial. - Perkins, Gavin D.; Ji, Chen; Connolly, Bronwen A.; Couper, Keith; Lall, Ranjit; Baillie, J. Kenneth; Bradley, Judy M.; Dark, Paul; Dave, Chirag; De Soyza, Anthony; Dennis, Anna V.; Devrell, Anne; et al. (JAMA: Journal of the American Medical Association, 2022)