1. Functional architecture of basal ganglia circuits: neural substrates of parallel processing;Alexander;Trends in Neuroscience,1990
2. DSM-III R: Diagnostic and Statistical Manual of Mental Disorders, 3rd ed., revised,1987
3. DSM-IV: Diagnostic and Statistical Manual of Mental Disorders, 4th ed,1994
4. The Scale for the Assessment of Negative Symptoms;Andreasen,1983
5. The Scale for the Assessment of Positive Symptoms;Andreasen,1984