title: Headache - chronic cluster headache: preventive treatment.
authors.affiliation: Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
authors.forename: Egilius L H
authors.initials: EL
authors.lastname: Spierings
mesh_terms: D003027:Cluster Headache / Q000517:prevention & control*; D004305:Dose-Response Relationship, Drug; D004558:Electric Stimulation / Q000379:methods; D004878:Ergotamine / Q000008:administration & dosage; D006801:Humans; D014665:Vasodilator Agents / Q000627:therapeutic use*; D014700:Verapamil / Q000627:therapeutic use
chemical_list: D014665:Vasodilator Agents; D014700:Verapamil; D004878:Ergotamine