Retrograde tracheal intubation.
D000758:Anesthesia; D000770:Anesthesia, Endotracheal; D000776:Anesthesiology; D006801:Humans; D007442:Intubation, Intratracheal; D014132:Trachea / Q000601:surgery*
ANESTHESIA, INTRATRACHEAL; TRACHEA/surgery