title: Efficacy of sumatriptan in chronic paroxysmal hemicrania.
authors.forename: S
authors.initials: S
authors.lastname: Evers
authors.forename: I W
authors.initials: IW
authors.lastname: Husstedt
mesh_terms: D000328:Adult; D002908:Chronic Disease; D005260:Female; D020773:Headache Disorders / Q000188:drug therapy*; D006801:Humans; D008875:Middle Aged; D017366:Serotonin Receptor Agonists / Q000627:therapeutic use*; D018170:Sumatriptan / Q000627:therapeutic use*
chemical_list: D017366:Serotonin Receptor Agonists; D018170:Sumatriptan