Continuous positive airway pressure to avoid intubation in SARS-CoV-2 pneumonia: a two-period retrospective case-control study. - Oranger M; Gonzalez-Bermejo J; Dacosta-Noble P; Llontop C; Guerder A; Trosini-Desert V; Faure M; Raux M; Decavele M; Demoule A; Morélot-Panzini C; Similowski T (The European respiratory journal, 2020)