Neurology
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Randomized Controlled Trial Multicenter Study
A double-blind, randomized, controlled study of botulinum toxin type A in MS-related tremor.
To evaluate the safety and efficacy of botulinum toxin type A in disabling multiple sclerosis (MS)-related upper limb tremor. ⋯ This study provides Class III evidence that targeted injection of botulinum toxin type A is associated with significant improvement in MS-related upper limb tremor.