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Neurostimulation is of increasing interest in headache therapy. Invasive neurostimulation methods were found effective in drug-refractory headaches. There is a need for non invasive therapies that could be justified in less disabled patients. Previous case reports suggested that internal Vagus Nerve Stimulation (VNS) might be effective in headache prevention [ 1 – 3 ].
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Magis et al. (2013) studied this question.
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