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Medication overuse headache

Mark Obermann1, Thorsten Bartsch, Zaza Katsarava

  • 1Department of Neurology, University of Duisburg-Essen, Hufelandstr. 55, 45122 Essen, Germany. mark.obermann@uni-essen.de

Expert Opinion on Drug Safety
|December 24, 2005
PubMed

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