The Kraepelinian dichotomy: preliminary results of a 15-year follow-up study on functional psychoses: focus on negative symptoms

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

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The Global Assessment Scale

Jean Endicott · Archives of General Psychiatry · 1976 · 5K citations

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Dementia Praecox or the Group of Schizophrenias

Eugen Bleuler · Journal of the American Medical Association · 1951 · 4.4K citations · Full text

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A RATING SCALE FOR EXTRAPYRAMIDAL SIDE EFFECTS

G. M. Simpson, M. B., GH. B. et al. · Acta Psychiatrica Scandinavica · 1970 · 3.3K citations

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Scale for the Assessment of Negative Symptoms (SANS)*

The British Journal of Psychiatry · 1989 · 2.7K citations

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