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A. S. Zigmond, R. P. Snaith · Acta Psychiatrica Scandinavica · 1983 · 46.6K citations

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The Montreal Cognitive Assessment, MoCA: A Brief Screening Tool For Mild Cognitive Impairment

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EuroQol - a new facility for the measurement of health-related quality of life

Health Policy · 1990 · 15.8K citations

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Accuracy of clinical diagnosis of idiopathic Parkinson's disease: a clinico-pathological study of 100 cases.

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Movement Disorder Society‐sponsored revision of the Unified Parkinson's Disease Rating Scale (MDS‐UPDRS): Scale presentation and clinimetric testing results

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