Anand, K.J.S. and K.D. Craig, 1996 , 'New perspectives on the definition of pain', Pain, 67, 3-6 Darwin, E., 1794 , Zoonomia, London: Johnson, vol. 1, pp. 121-125 Deyo, R. A., 1998 , 'Low back pain', Scientific American, 279(2), 28-33 Fields, H. L. and A. I. Basbaum, 1994 , 'Central nervous system mechanisms of pain modulation', in P. D. Wall and R. Melzack, ibid. Herberden, W., 1772 , quoted in Procacci, P., M. Zoppi and M. Maresca, 1994, 'Heart and vascular pain', in P.D. Wall and R. Melzack, ibid. Iverson, L. L., 1979 , 'The chemistry of the brain', Scientific American, 241(3), 118-121 James, W., 1890 , The Principles of Psychology, New York: Holt Kandel, E.R., J.H. Swartz, .. Jessell, 1991 , Principles of Neural Science (3rd Edition), New York: Elsevier Melzack, R., 1975 , The McGill Pain Questionnaire: major properties and scoring methods', Pain, 1, 277-299 Melzack, R. and P. D. Wall, 1965 , 'Pain mechanisms: a new theory', Science, 150, 971-979 Melzack, R., D. M. Stillwell and E. J. Fox, 1977 , 'Trigger points and acupuncture points: correlations and implications', Pain, 3, 3-23 Melzack, R. and P. D. Wall, 1982 , The Challenge of Pain, Harmondsworth: Penguin Books Merskey, H., 1991 , 'The definition of pain', European Psychiatry, 6, 153-159 Meyer, R. A., J. N. Campbell and S. N. Raja, 1994 , 'Peripheral neural mechanisms of nociception', in P. D. Wall and R. Melzack, 1994, ibid. Ramachandran, V.S., D. Rogers-Ramachandran and S. Cobb, 1995 , Touching the phantom limb', Nature, 377, 489-490 Ramachandran, V. S. and S. Blakeslee, 1998 , Phantoms in the Brain, London: Fourth Estate Rang, H.P., S. Bevan and A. Dray, 1994 , 'Nociceptive peripheral neurons: cellular properties', in P. D. Wall and R. Melzack, 1994, ibid. Roland, 1992 , 'Cortical representation of pain', Trends in Neurosciences, 15, 3-5 Wall, P. D., 1985 , 'Pain and no pain', in Functions of the Brain, C.W. Coen, ed., Oxford: Clarendon Press Wall, P.D. and R. Melzack, 1994 , eds, Textbook of Pain (3rd edn), Edinburgh: Churchill Livingstone


  • :