Investigation of dystonia.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D019411:Clinical Laboratory Techniques; D003937:Diagnosis, Differential; D004421:Dystonia / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000209:etiology; D004569:Electroencephalography; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008279:Magnetic Resonance Imaging; D011602:Psychophysiologic Disorders / Q000175:diagnosis; D014057:Tomography, X-Ray Computed