The LMA Ctrach for unanticipated difficult intubation.
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D000328:Adult; D000368:Aged; D000402:Airway Obstruction / Q000628:therapy; D005336:Fiber Optic Technology; D006801:Humans; D007442:Intubation, Intratracheal / Q000379:methods; D017214:Laryngeal Masks; D007828:Laryngoscopy; D008297:Male