1. Premorbid functioning, cognitive functioning, symptoms and outcome in schizophrenia;Addington;Journal of Psychiatry and Neuroscience,1992
2. Working memory;Baddeley;C. R. Acad. Sci.,1998
3. A simple objective test for measuring flexibility in thinking;Berg;Journal of General Psychology,1968
4. An update of supported employment for people with severe mental illness;Bond;Psychiatric Services,1997
5. The comparative efficacy and long-term effect of clozapine treatment on neuropsychological test performance;Buchanan;Society of Biological Psychiatry,1994