title: Will we ever learn?
authors.forename: B E
authors.initials: BE
authors.lastname: Welsh
mesh_terms: D000402:Airway Obstruction / Q000209:etiology*; D004868:Equipment Failure; D005260:Female; D006801:Humans; D007440:Intubation; D007830:Larynx; D008397:Masks; D008875:Middle Aged; D011229:Preanesthetic Medication