1. Movement disorder society-sponsored revision of the Unified Parkinson’s Disease Rating Scale (MDS-UPDRS): Scale presentation and clinimetric testing results;Goetz;MovDisord,2008
2. Test-retest reliability of the Unified Parkinson’s Disease Rating Scale in patients with early Parkinson’s disease: Results from a multicenter clinical trial;Siderowf;MovDisord,2002
3. Interrater reliability of the unified Parkinson’s disease rating scale motor examination;Richards;MovDisord,1994
4. Minimal clinically important difference in Parkinson’s disease as assessed in pivotal trials of pramipexole extended release;Hauser;Parkinsons Dis,2014