Segmental Myoclonus Clinical and Pharmacologic StudyArch Neurol 43:1025-1031, Jankovic,J.&Pardo,R., 1986
Blepharospasm-oromandibular Dystonia Dyndrome (Brueghel's syndrome) :A Variant of Adult-onset Torsion DystoniaJNNP 39:1204, Marsden,C.D., 1976