According to TWSTRS, the patients' symptoms improved significantly after Dysport (r) injections (before treatment: 41.97 ± 8.93; after treatment: 16.3 ± 10.35; p< 0.0001), there were obvious recessions of the severity of cervical dystonia (before: 21.13 ± 3.12; after: 9.87 ± 5.83; p<0.0001), of the disability (before: 16.77 ± 4.94; after: 5.5 ± 4.71; p<0.0001) and of the pain (before: 4.07 ±4.56; after: 0.97 ± 1.3; p<0.0001).