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A case‐control study of idiopathic torsion dystonia
Author(s) -
Fletcher N. A.,
Harding A. E.,
Marsden C. D.
Publication year - 1991
Publication title -
movement disorders
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.352
H-Index - 198
eISSN - 1531-8257
pISSN - 0885-3185
DOI - 10.1002/mds.870060406
Subject(s) - dystonia , stuttering , medicine , case control study , physical medicine and rehabilitation , pediatrics , audiology , psychology , physical therapy , psychiatry
A study of 71 patients with idiopathic torsion dystonia (ITD) and 71 matched controls was performed to investigate the range of possible clinical expression of ITD and the role of environmental factors in the development of the disease. A family history of tremor and stuttering were the only factors significantly associated with ITD. No associated environmental factor was identified.