Article
Hereditary geniospasm: linkage to chromosome 9q13-q21 and evidence for genetic heterogeneity.
American journal of human genetics - 1 Oct 1997
Jarman P R, Wood N W, Davis M T, Davis P V, Bhatia K P, Marsden C D, Davis M B
Abstract excerpt
Hereditary geniospasm is an unusual movement disorder causing episodes of involuntary tremor of the chin and the lower lip. Episodes typically start in early childhood and may be precipitated by stress, concentration, and emotion. Hereditary geniospasm is inherited as an autosomal dominant trait, and its cause is not known. We report the results of a genomewide genetic linkage study in a four-generation British...
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