Tracheal intubation in patients with "saber-sheath" trachea.
Asai
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D004868:Equipment Failure; D006801:Humans; D007442:Intubation, Intratracheal / Q000295:instrumentation*; D011182:Postoperative Care; D011859:Radiography; D014132:Trachea / Q000002:abnormalities* / Q000000981:diagnostic imaging