Laryngeal mask airway.
D000402:Airway Obstruction / Q000209:etiology; D000773:Anesthesia, Obstetrical / Q000295:instrumentation / Q000379:methods; D004867:Equipment Design; D005260:Female; D006801:Humans; D007442:Intubation, Intratracheal; D007830:Larynx; D008397:Masks; D012119:Respiration