Evaluation of Nu-trake.
D000818:Animals; D003413:Cricoid Cartilage / Q000601:surgery*; D004285:Dogs; D006801:Humans; D007442:Intubation, Intratracheal / Q000009:adverse effects / Q000295:instrumentation* / Q000379:methods; D007817:Laryngeal Cartilages / Q000601:surgery*