1. Advances in Pain Research and Therapy;Bonica,1976
2. Self-esteem and chronic pain;Elton;J Psychosom Res,1978
3. Pain terms: a list with definitions and notes on usage. Recommended by the IASP Subcommittee on Taxonomy;Merskey;Pain,1979
4. On the language of pain;Melzack;Anaesthesiology,1971
5. Neurological mechanisms in the experience of pain;Wyke;Acupunct Electrother Res J,1979