A comparison of plasma homovanillic acid in the deficit and nondeficit subtypes of schizophrenia

The Positive and Negative Syndrome Scale (PANSS) for Schizophrenia

Stanley R. Kay, Abraham Fiszbein, Lewis A. Opler · Schizophrenia Bulletin · 1987 · 21.4K citations · Full text

Social Sciences, Psychiatry, Psychology +17

A New Depression Scale Designed to be Sensitive to Change

Stuart Montgomery, Marie Åsberg · The British Journal of Psychiatry · 1979 · 13.9K citations

Social Sciences, Psychiatry, Psychology +17

The Brief Psychiatric Rating Scale

John E. Overall, Donald R. Gorham · Psychological Reports · 1962 · 10.9K citations

Social Sciences, Psychiatry, Psychiatric Assessment +15

Implications of Normal Brain Development for the Pathogenesis of Schizophrenia

Daniel R. Weinberger · Archives of General Psychiatry · 1987 · 3.7K citations

Medicine, Neurobiology, Neuroscience +17

Negative Symptoms in Schizophrenia

Nancy C. Andreasen · Archives of General Psychiatry · 1982 · 2.2K citations

Medicine, Psychiatry, Psychology +17