Clinical Use of Botulinum Toxin
National Institutes of Health Consensus Develop Conf Stmt, Nov 12-14, 1990, Arch Neurol 48:1294-1298, 199, 1991
Blepharospasm-oromandibular Dystonia Dyndrome (Brueghel's syndrome) :A Variant of Adult-onset Torsion Dystonia
JNNP 39:1204, Marsden,C.D., 1976