1. Abbal B, Choquet O, Capdevila X. Blocs du plexus cervical. Mapar. 2013;
2. Choquet O, Dadure C, Capdevila X. Ultrasound-guided deep or intermediate cervical plexus block: the target should be the posterior cervical space. Anesth Analg. 2010;111:1563–4.
3. Pascal J, Navez M. Anesthésie locorégionale de la tête et du cou. In: Gautier-Lafaye P, Muller A Gaertner E. Anesthésie locorégionale et traitement de la douleur. Paris: Masson, 2009.
4. Telford RJ, Stoneham MD. Correct nomenclature of superficial cervical plexus blocks. Br J Anaesth. 2004;92:775.
5. Dhonneur G, Saidi NE, Merle JC, Asfazadourian H, Ndoko SK, Bloc S. Demonstration of the spread of injectate with deep cervical plexus block: a case series. Reg Anesth Pain Med. 2007;32:116–9.