The laryngeal mask airway.
D000402:Airway Obstruction / Q000628:therapy*; D000488:Allied Health Personnel / Q000193:education*; D004630:Emergencies; D006801:Humans; D007385:Intermittent Positive-Pressure Ventilation; D007442:Intubation, Intratracheal; D007830:Larynx; D008397:Masks