title: Essential myoclonus and myoclonic dystonia.
authors.forename: A E
authors.initials: AE
authors.lastname: Lang
mesh_terms: D003937:Diagnosis, Differential; D004421:Dystonia / Q000175:diagnosis* / Q000235:genetics; D006801:Humans; D009207:Myoclonus / Q000175:diagnosis* / Q000235:genetics; D009460:Neurologic Examination