1. Bell, W.E., 1989, Orofacial pain: Classification, diagnosis, management, Year book medical publishers. Inc. Chicago-London-Boca Raton, 4th edition.
2. Noel, M., Nemeroff, C.B., 1986, Pain Suppl.
3: 194–212.
3. Luttenger, D., Hernandez, D.E., Nemeroff, C.B., Prange, A.J., 1984, Int. Rev. Neurobiol.
25: 185–241.
4. Uda, R., Horiguchi, S., Ito, S., Hyodo, M., Hayaishim, O., 1990, Brain Res.
510: 26–32.
5. Jensen, T.S., 1986, Acta Neurol. Scand.
74(suppl. 108): 7–34.