title: Medication overuse headache in Spain.
authors.affiliation: Services of Neurology, University Hospitals of Salamanca, Oviedo, Spain.
authors.forename: J
authors.initials: J
authors.lastname: Pascual
authors.forename: V
authors.initials: V
authors.lastname: Mateos
authors.forename: M
authors.initials: M
authors.lastname: Gracia
authors.forename: J M
authors.initials: JM
authors.lastname: Láinez
mesh_terms: D017677:Age Distribution; D005260:Female; D051271:Headache Disorders, Secondary / Q000453:epidemiology* / Q000628:therapy; D006801:Humans; D008297:Male; D015995:Prevalence; D017678:Sex Distribution; D013030:Spain / Q000453:epidemiology