1. Anterocollis: clinical features and treatment options;Papapetropoulos;Med Sci Monit,2008
2. Epidemiology, clinical presentation, and diagnosis of cervical dystonia;Stacy;Neurol Clin,2008
3. The phenomenology of cervical dystonia;Reichel;Fortschr Neurol Psychiatr,2009
4. Cervical dystonia – diagnosis and treatment;Skogseid;Tidsskr Nor Laegeforen,2008
5. Adult-onset dystonia;Evatt;Handb Clin Neurol,2011