title: Chronic migraine and medication overuse headache.
authors.affiliation: Headache Center, Cleveland Clinic, Cleveland, OH, USA.
authors.forename: Stewart J
authors.initials: SJ
authors.lastname: Tepper
mesh_terms: D051271:Headache Disorders, Secondary; D006801:Humans; D038801:International Classification of Diseases; D008881:Migraine Disorders / Q000145:classification* / Q000175:diagnosis*; D019966:Substance-Related Disorders