"Difficult" airway terminology.
Williamson
R
R
D000402:Airway Obstruction / Q000473:pathology; D006801:Humans; D007442:Intubation, Intratracheal / Q000379:methods; D017214:Laryngeal Masks; D007828:Laryngoscopy; D009626:Terminology as Topic; D014132:Trachea / Q000473:pathology; D014133:Tracheal Diseases / Q000473:pathology