title: Fiberoptic bronchoscopy via endotracheal tube.
mesh_terms: D000402:Airway Obstruction / Q000209:etiology*; D001999:Bronchoscopy / Q000009:adverse effects; D005336:Fiber Optic Technology; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects*