On the primary outcome, 31% of head tremor patients in the botulinum toxin group improved by at least 2 points on the Clinical Global Impression of Change (CGI) scale at 18 weeks, compared with 9% in ...
Local injections of botulinum toxin type A have been used to treat essential head tremor but have not been extensively studied in randomized trials. In a multicenter, double-blind, randomized trial, ...
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