title: Medication overuse headache in Germany.
authors.affiliation: Department of Neurology, University of Essen, Essen, Germany.
authors.forename: Z
authors.initials: Z
authors.lastname: Katsarava
authors.forename: H-C
authors.initials: HC
authors.lastname: Diener
mesh_terms: D005858:Germany / Q000453:epidemiology; D051271:Headache Disorders, Secondary / Q000453:epidemiology* / Q000628:therapy; D006801:Humans