Term Name:	dystonia 23
Synonyms:
Definition:	A focal dystonia characterized by adult-onset cervical dystonia typically in the fourth or fifth decade of life that has_material_basis_in autosomal dominant inheritance of heterozygous mutation in the CACNA1B gene on chromosome 9q34.
Ontology:	Human Disease [DOID:0090051]   ( DOID:0090051 )