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Symptomatic migraine and pontine vascular malformation: evidence for a key role of the brainstem in the pathophysiology of chronic migraine


Mark Obermann MD, Department of Neurology, University Duisburg-Essen, Hufelandstr. 55, 45122 Essen, Germany. Tel. +49 20 1723 2585, fax +49 20 1723 3789, e-mail

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