Definition of dystonia and classification of the dystonic states.
D004422:Dystonia Musculorum Deformans / Q000145:classification* / Q000209:etiology / Q000503:physiopathology; D006801:Humans; D009069:Movement Disorders / Q000145:classification; D009135:Muscular Diseases / Q000145:classification; D010146:Pain / Q000503:physiopathology; D013577:Syndrome; D009626:Terminology as Topic; D014102:Torsion Abnormality