Blepharospasm-oromandibular Dystonia Dyndrome (Brueghel's syndrome) :A Variant of Adult-onset Torsion Dystonia
JNNP 39:1204, Marsden,C.D., 1976
Cervical Dystonia:Clinical Findings and Associated Movement Disorders
Neurol 41:1088-1091, Jankovic,J.,et al, 1991