title: Medication overuse headache in Scandinavia.
authors.affiliation: Danish Headache Centre, Department of Neurology, University of Copenhagen, Glostrup Hospital, Glostrup, Denmark.
authors.forename: R
authors.initials: R
authors.lastname: Jensen
authors.forename: L
authors.initials: L
authors.lastname: Bendtsen
mesh_terms: D051271:Headache Disorders, Secondary / Q000453:epidemiology* / Q000628:therapy; D006801:Humans; D012537:Scandinavian and Nordic Countries / Q000453:epidemiology