1. Pain: Psychological and Psychiatric Aspects;Merskey,1967
2. Pain and cancer
3. Some relationships between subjective measures of pain;Woodforde;J. Psychosom. Res.,1972
4. The Middlesex Hospital Questionnaire (M.H.Q.) Manual;Crown,1970
5. Manual of the Eysenck Personality Inventory;Eysenck,1964