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2. Scale for the Assessment of Negative Symptoms (SANS);Andreasen,1983
3. Scale for the Assessment of Positive Symptoms (SAPS);Andreasen,1984
4. The family history method using diagnostic criteria. Reliability and validity;Andreasen;Archives of General Psychiatry,1977
5. Does the Global Assessment of Functioning (GAF) assess functioning?;Bacon;Journal of Mental Health Counseling,2002