1. Bair AE, Wolfson AB, Grayzel J. Emergent surgical cricothyrotomy (cricothyroidotomy). UpToDate 2016.
2. Difficult Airway Society 2015. Guidelines for management of unanticipated difficult intubation in adults;Frerk;B J Anaesth.,2015
3. Management of the “can’t intubate can’t ventilate” situation and the emergency surgical airway;Frerk,2011
4. Emergency cricothyrotomy — a systematic review;Langvad;Scand J Trauma Resusc Emerg Med.,2013
5. Surgical intervention during a Can’t Intubate Can’t Oxygenate (CICO) event: Emergency front-of neck airway (FONA);Pracy;Br J Anaesth.,2016