1. Standring S (2005) Gray’s anatomy, 39th edn. Elsevier, Churchill Livingstone, Philadelphia, pp 544–545
2. Hollinshead WH (1958) Anatomy for surgeons: the head and neck, vol 1. A Hoeber-Harper, Philadelphia, pp 474–481
3. Von Lanz T, Wachsmuth W Arteriën des kopfes. In: Lang J (ed) Praktische anatomie, kopf (teil A). Springer Verlag, Berlin, pp 539–560
4. Bergman RA, Thompson SA, Afifi AK, Saadeh FA (1988) Compendium of human anatomic variation. Urban and Schwarzenberg, Baltimore, p 64
5. Zumre O, Salbacak A, Cicekcibasi AE, Tuncer I, Seker M (2005) Investigation of the bifurcation level of the common carotid artery and variations of the branches of the external carotid artery in human fetuses. Ann Anat 187:361–369