Unified Parkinson's disease rating scale characteristics and structure

“Mini-mental state”

1975 • 82,784 citations

Coefficient alpha and the internal structure of tests

1951 • 39,787 citations

A RATING SCALE FOR DEPRESSION

1960 • 30,921 citations

THE ASSESSMENT OF ANXIETY STATES BY RATING

1959 • 10,517 citations

Measuring nominal scale agreement among many raters.

1971 • 7,731 citations

Variable expression of Parkinson's disease

1990 • 1,183 citations

Irreversible motor impairment in young addicts ? ephedrone, manganism or both?

2007 • 655 citations

Parkinson's Disease and Movement Disorders

1994 • 565 citations

The heterogeneity of Parkinson's disease

1985 • 361 citations

Ergot Compounds and Brain Function--Neuro endocrine and Neuropsychiatric aspects

1980 • 224 citations

Quantification of neurologic deficit

1990 • 175 citations

DEPRESSION AND COGNITIVE IMPAIRMENT IN PARKINSON'S DISEASE

1989 • 147 citations

Assessment of extrapyramidal disorders.

1981 • 137 citations

Cognitive impairments and depression in Parkinson's disease: a follow up study.

1990 • 135 citations

Coexisting Dementia and Depression in Parkinson's Disease

1989 • 94 citations

Standards for the use of ordinal scales in clinical trials.

1986 • 72 citations

Scales for rating motor impairment in Parkinson's disease: studies of reliability and convergent validity.

1991 • 72 citations

Clinical Neuroepidemiology

1987 • 47 citations

Qualitative assessment of Parkinson's disease: study of reliability and data reduction with an abbreviated Columbia Scale.

1985 • 47 citations

Interobserver reliability between neurologists in training of Parkinson's disease rating scales. A multicenter study

1991 • 46 citations

Value and appropriate use of rating scales and apparative measurements in quantification of disability in Parkinson's disease

1993 • 36 citations

Qualitative Assessment of Parkinsonʼs Disease

1985 • 35 citations

Stroke Assessment Scales: Guidelines for Development, Validation, and Reliability Assessment

1988 • 25 citations

Factor Analysis of Parkinson's Impairment

1987 • 22 citations

Study on a Brazilian Isolate

1987 • 10 citations