title: Differences between chronic migraine with and without medication overuse.
authors.affiliation: Hospital Universitario Marqués de Valdecilla e IDIVAL, Santander, España. Electronic address: juliopascual@telefonica.net.
authors.forename: J
authors.initials: J
authors.lastname: Pascual
mesh_terms: D002908:Chronic Disease; D006801:Humans; D008881:Migraine Disorders; D000067490:Prescription Drug Overuse