title: [Preventative drug therapy of migraine. When is this worthwhile?].
authors.affiliation: Klinik und Poliklinik für Neurologie Westfälische Wilhelms-Universität Münster.
authors.forename: A
authors.initials: A
authors.lastname: Frese
authors.forename: I W
authors.initials: IW
authors.lastname: Husstedt
authors.forename: S
authors.initials: S
authors.lastname: Evers
mesh_terms: D003362:Cost-Benefit Analysis; D016527:Drug Costs / Q000706:statistics & numerical data*; D005858:Germany; D006801:Humans; D008881:Migraine Disorders / Q000188:drug therapy* / Q000191:economics; D012008:Recurrence