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Differential item functioning in the Unified Dyskinesia Rating Scale (UDysRS) |
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| Authors: | Sheng Luo PhD Yuanyuan Liu MS Jeanne A. Teresi EdD PhD Glenn T. Stebbins PhD Christopher G. Goetz MD |
| Affiliation: | 1. Department of Biostatistics, University of Texas Health Science Center, School of Public Health, Houston, Texas, USA;2. Columbia University Stroud Center at New York State Psychiatric Institute, New York, NY, USA;3. Research Division, Hebrew Home at Riverdale, Bronx, New York, USA;4. Department of Neurological Sciences, Rush University Medical Center, Chicago, Illinois, USA |
| Abstract: | |
| Keywords: | Parkinson's disease dyskinesia rating scales clinimetrics differential item functioning |