1. Achterberg, J., Kenner, C., & Lewis, G. (1988). Severe burn injury: A comparison of relaxation, imagery, and biofeedback for pain management. Journal of Mental Imagery, 12 71–87.
2. Ades, P. A., Waldmann, M. L., McCann, W. J., & Weaver, S. O. (1992). Predictors of cardiac rehabilitation participation in older coronary patients. Archives of Internal Medicine, 152 1033–1035.
3. Agency for Health Care Policy and Research. (1994). Cancer pain management panel. Management of cancer pain. Clinical Practice Guideline Number 9. Washington, DC: U.S. Department of Health and Human Services.
4. Alexander, A. M., Veitch, G. B., & Wood, J. B. (1985). Anti-rheumatic and analgesic drug usage and acute gastro-intestinal bleeding in elderly patients. Journal of Clinical and Hospital Pharmacy, 10 89–93.
5. American Psychiatric Association (1987). Diagnostic and statistical manual of mental disorders (3rd ed. rev.). Washington, DC: Author.