1. 1) Taren JA, Kahn EA: Anatomic pathways related to pain in face and neck. J Neurosurg 19: 116–121, 1962
2. 2) Tasker R: Central pain states, in Loeser JD (ed): Bonica’s Management of Pain, ed 3. Philadelphia, Lippincott Williams & Wilkins, 2001, pp 433–457.
3. 3) Brazis PW, Masdeu JC, Biller J. Localization in Clinical Neurology, ed 5. Philadelphia, Lippincott Williams & Wilkins, 2007, p 22
4. 4) Browne PA, Clark GT, Kuboki T, Adachi NY: Concurrent cervical and craniofacial pain. A review of empiric and basic science evidence. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 86: 633–640, 1998
5. 5) Biondi DM: Cervicogenic headache: a review of diagnostic and treatment strategies. J Am Osteopath Assoc 105(4 Suppl 2): 16S–22S, 2005