Efter injektion af konventionelt botulinum type A- toksinkompleks viste EMG øget sitren i nogle fjerne muskler, som ikke var forbundet med muskelsvaghed eller andre typer elektrofysiologiske anormaliteter.
Following injection of conventional Botulinum toxin type A complex, EMG showed increased jitter in some distant muscles which was not associated with muscle weakness or other types of electrophysiological abnormalities.