Disposable nasopharyngeal airways--a potential hazard.
D000328:Adult; D000769:Anesthesia, Inhalation / Q000295:instrumentation; D004209:Disposable Equipment; D004869:Equipment Safety; D006801:Humans; D007440:Intubation / Q000295:instrumentation*; D008297:Male; D009305:Nasopharynx