1. Negative symptoms and the relationship to cognitive functioning;Addington,2000
2. Premorbid functioning, cognitive functioning, symptoms and outcome in schizophrenia;Addington;J. Psychiatry Neurosci.,1993
3. Early intervention for psychosis: The Calgary Early Psychosis Treatment and Prevention Program;Addington;Can. Psychiatr. Assoc. Bull.,2001
4. Duration of untreated psychosis in first episode psychosis: a two year follow-up;Addington;Schizophr. Res.,2002
5. Cognitive functioning in first episode schizophrenia;Addington;J. Psychiatry Neurosci.,2002