Impacts of duration of untreated psychosis on cognition and negative symptoms in first-episode schizophrenia: a 3-year prospective follow-up study.
Chang, W. C. *; Hui, C. L. M.; Tang, J. Y. M.; Wong, G. H. Y.; Chan, S. K. W.; Lee, E. H. M.; Chen, E. Y. H.
[Article] Psychological Medicine. 43(9):1883-1893, September 2013.

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