1. Fantoni A. The need to compare different techniques of tracheostomy in a more reliable way. Journal fur Anasthesie und Intensivbehandlung. 2006;13:61–4.
2. Páez M, Buisán F, Almaraz A, Martínez-Martínez A, Munoz F. Percutaneous tracheotomy with the Ciaglia Blue Rhino technique: a critical analysis after 1 year. Rev Esp Anestesiol Reanim. 2005;52(8):466–73.
3. Klemm E, Nowak A. Tracheotomy-related death- a systematic review. Deutsch Arztebl Int. 2017;114:273–9.
4. Fantoni A, Ripamonti D. A non-derivative, non-surgical tracheostomy: the translaryngeal method. Intensive Care Med. 1997;23:386–92.
5. Muhammad JK, Major E, Wood A, Patton D. Percutaneous dilatational tracheostomy: haemorrhagic complication and the vascular anatomy of the anterior neck. A review on 497 cases. Int J Oral Maxillofac Surg. 2000;29:217–22.