1. Aleman A, Hijman R, de Haan EHF, Kahn RS (1999) Memory impairment in schizophrenia: a meta-analysis. Am J Psychiatry 156:1358–1366
2. American Psychiatric Association (2000) Diagnostic and statistical manual of mental disorders, revised 4th edn. American Psychiatric Association, Washington, DC
3. Bentall RP, Corcoran R, Howard R, Blackwood N, Kinderman P (2001) Persecutory delusions: a review and theoretical integration. Clin Psychol Rev 21:1143–1192
4. Benton AL, Sivan AB, Hamsher KdeS, Varney NR, Spreen O (1983) Contributions to neuropsychological assessment. Psychological Assessment Resources, Orlando, FL
5. Benton AL, Hamsher KdeS, Sivan AB (1994) Multilingual aphasia examination, 3rd edn. Psychological Corporation, San Antonio, TX