Medicine Net: Torsion Dystonia - A brief description of this disorder, its onset and symptoms. www.medterms.com/script/main/art.asp?articlekey=5822
Pediatric Database - A definition of torsion dystonia, the epidemiology, pathogenesis, clinical features, investigations and management. www.icondata.com/health/pedbase/files/IDIOPAT2.HTM
University of Pittsburgh - From the Genetics Education and Counseling Program a brochure about Torsion Dystonia. www.pitt.edu/~edugene/Torsion.html
