1. American Psychiatric Association (1980): Diagnostic and Statistical Manual of Mental Disorders, 3rd ed. Washington, DC: American Psychiatic Association.
2. Powerful placebo;Beecher;JAMA,1955
3. The nocebo effect;Benson;Prev Med,1997
4. A comparison of placebo responders and nonresponders in subgroups of depressive disorder;Bialik;J Psychiatry Neurosci,1995
5. Influence of the behaviour pattern on the nocebo response of healthy volunteers;Drici;Br J Clin Pharmacol,1995