Postural directionality and head tremor in cervical dystonia

Qiyu Chen, Jeanne P. Vu, Elizabeth Cisneros, Casey N. Benadof, Zheng Zhang, Richard L. Barbano, Christopher G. Goetz, Joseph Jankovic, Hyder A. Jinnah, Joel S. Perlmutter, Mark I. Appelbaum, Glenn T. Stebbins, Cynthia L. Comella, David A. Peterson