1. American Psychiatric Association: Diagnostic and Statistical Manual of Mental Disorders, ed 4, rev (DSM-IV-TR). Washington, American Psychiatric Association, 2000.
2. World Health Organization: The ICD-10 Classification of Mental and Behavioural Disorders. Clinical Descriptions and Diagnostic Guidelines. Geneva, World Health Organization, 1992.
3. American Psychiatric Association: Diagnostic and Statistical Manual of Mental Disorders, ed 3 (DSM-III). Washington, American Psychiatric Association, 1980.
4. Multisomatoform Disorder