The Parkinson's Disease Composite Scale: results of the first validation study

New clinical trials for nonmotor manifestations of Parkinson's disease

(2015) Anette Schrag et al.   MOVEMENT DISORDERS

A short Scale for Evaluation of Neuropsychiatric Disorders in Parkinson’s Disease: first psychometric approach

(2012) Pablo Martinez-Martin et al.   JOURNAL OF NEUROLOGY

Parkinson's disease sleep scale-validation of the revised version PDSS-2

(2011) Claudia Trenkwalder et al.   MOVEMENT DISORDERS

The MOCA: Well-suited screen for cognitive impairment in Parkinson disease

(2011) J. Marinus et al.   NEUROLOGY

The COSMIN study reached international consensus on taxonomy, terminology, and definitions of measurement properties for health-related patient-reported outcomes

(2010) Lidwine B. Mokkink et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Parkinson's disease

(2009) Andrew J Lees et al.   LANCET

The clinical impression of severity index for Parkinson's disease: International validation study

(2008) Pablo Martínez-Martín et al.   MOVEMENT DISORDERS