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