title: Current approaches to assessing the degree of airway narrowing in central airway obstruction.
authors: Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Chicago, Chicago, Illinois.
authors: Katarine V L
authors: KV
authors: Egressy
authors: Septimiu D
authors: SD
authors: Murgu
mesh_terms: D000402:Airway Obstruction / Q000175:diagnosis*; D001999:Bronchoscopy / Q000379:methods*; D002983:Clinical Competence; D006801:Humans