To study the prevalence of psychiatric comorbidity assessed by the use of a structured clinical interview in a large, representative sample of patients with spasmodic torticollis (ST) and to test the hypothesis that social phobia would be highly prevalent.
Department of Psychosomatic Medicine, Klinikum rechts der Isar, Technische Universität München, Langerstrasse 3, 81675 München, Germany. H.Guendel@lrz.tu-muenchen.de
