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APA Citation
Maier, F., Lewis, C. J., Eggers, C., Kühn, A. A., Krug, H., Volkmann, J., Kirsch, A. D., Wojtecki, L., Schnitzler, A., Deuschl, G., Krauss, J. K., Woopen, C., & Timmermann, L. (2017). development and validation of the deep brain stimulation impairment scale (DBS-IS). Parkinsonism & related disorders, 36, 69–75. http://access.bl.uk/ark:/81055/vdc_100045077771.0x00002b