It's tricky: Rating alleviating maneuvers in cervical dystonia

Elizabeth Cisneros, Glenn T. Stebbins, Qiyu Chen, Jeanne P. Vu, Casey N. Benadof, Zheng Zhang, Richard L. Barbano, Susan H. Fox, Christopher G. Goetz, Joseph Jankovic, Hyder A. Jinnah, Joel S. Perlmutter, Charles H. Adler, Stewart A. Factor, Stephen G. Reich, Ramon L. Rodriguez, Lawrence Severt, Natividad Stover, Brian D. Berman, Cynthia Comella, David Peterson