| Ref (type) | Population | Outcome, Interventions | Results and statistical analysis | Effect size | Favours |
| Adverse effects | |||||
|
RCT Crossover design |
40 people with idiopathic cervical dystonia for at least 3 years, and who previously responded to at least 2 botulinum A toxin injections |
Adverse effects
end of observation period
with botulinum A toxin alone with botulinum A toxin plus physical therapy (physiotherapy plus biofeedback) Absolute results not reported |
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