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Deficit and nondeficit forms of schizophrenia: the concept

W T Carpenter, Douglas W Heinrichs, Althea M. I. Wagman · American Journal of Psychiatry · 1988 · 1.3K citations

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National Institute of Mental Health Longitudinal Study of Chronic Schizophrenia

Alan Breier · Archives of General Psychiatry · 1991 · 629 citations

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