Use of high-flow nasal cannula and intravenous propofol sedation while performing flexible video bronchoscopy in the intensive care unit: Case reports. - Briones-Claudett KH; Briones-Claudett MH; López Briones B; Briones Zamora KH; Briones Marquez DC; Orozco Holguin LA; Villavicencio MF; Grunauer Andrade M (SAGE open medical case reports, 2021)