1. Brodai A (1959) The cranial nerves. Blackwell Scientific Publications, Oxford
2. Elvidge AR, Li CC (1950) Central protrusion of cervical intervertebral disc involving descending trigeminal tract. Arch Neurol Psychiat 63: 455–466
3. Sjöqvist 0 (1957) Surgery of the Cranial Nerves. II. Physiology. Sensory Innervation of the Head and Face. In: Handbuch der Neurochirurgie, Band VI, Springer-Verlag, Berlin Göttingen Heidelberg, pp 4–7
4. Verbiest H (1970) La chirurgie antérieure et latérale du rachis cervical. Neuro-chirurgie 16, Suppl. 2. Masson & Cie, Paris
5. Wechsler IS (1958) A textbook of clinical neurology with an introduction to the history of neurology. 8. Edition. W. B. Saunders Comp, Philadelphia London