1. Abnormal Involuntary Movement Scale (AIMS), rev. (1985) Department of Health and Human Services, Public Health Service. Alcohol, Drug Abuse, and Mental Health Administration, NIMH Treatment Strategies in Schizophrenia Study.
2. DSM-III-R: Diagnostic and Statistical Manual of Mental Disorders;American Psychiatric Association,1987
3. Modified Scale for the Assessment of Negative Symptoms (SANS);Andreasen,1984
4. Scale for the Assessment of Positive Symptoms (SAPS);Andreasen,1984
5. Comorbidity of substance abuse and schizophrenia: the role of pre-morbid adjustment;Arndt;Psychol. Med.,1992