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. 2013 May 18;84(9):1014–1019. doi: 10.1136/jnnp-2012-303608

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Mean changes in (A) Toronto Western Spasmodic Torticollis Rating Scale (TWSTRS)-Total and (B) TWSTRS-Severity, TWSTRS-Disability and TWSTRS-Pain subscores from the study baseline to 4 weeks after each injection session. TWSTRS-Total score ranges from 0 to 85 points and is the sum of the TWSTRS-Severity, TWSTRS-Disability and TWSTRS-Pain subscores. TWSTRS-Severity score ranges from 0 to 35 points, TWSTRS-Disability score from 0 to 30 points and TWSTRS-Pain score from 0 to 20 points. Error bars indicate the 95% CI. TWSTRS, Toronto Western Spasmodic Torticollis Rating Scale.