title: Chronic daily headache: an evidence-based and systematic approach to a challenging problem.
authors.affiliation: Mayo Clinic Hospital, Phoenix, AZ 85054, USA.
authors.forename: Rashmi B
authors.initials: RB
authors.lastname: Halker
authors.forename: Eric V
authors.initials: EV
authors.lastname: Hastriter
authors.forename: David W
authors.initials: DW
authors.lastname: Dodick
mesh_terms: D000700:Analgesics / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D019317:Evidence-Based Medicine; D020773:Headache Disorders / Q000175:diagnosis* / Q000188:drug therapy*; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods; D014057:Tomography, X-Ray Computed
chemical_list: D000700:Analgesics