1. The end of the road? lay views on pain relief clinic;Bendelow;Soc. Sci. Med.,1996
2. Biogenic, psychogenic and sociogenic models of adjustment to chronic pain: an exploratory study;Peyrot;Int. J. Psychiatr. Med.,1993
3. Merskey H, Bogduk N, editors. Classification of chronic pain: descriptions of chronic pain syndromes and definitions of pain terms. 2nd ed. Seattle: IASP Press; 1994.
4. American Psychiatric Association. Diagnostic and statistical manual of mental disorders (DSM IV). 4th ed. Washington, DC: American Psychiatric Association; 1994.
5. Williams SJ. Chronic respiratory illness. London: Routledge; 1993.