title: Ritanserin is not effective in tension headache.
authors.forename: B J
authors.initials: BJ
authors.lastname: Ansink
authors.forename: J W
authors.initials: JW
authors.lastname: Hartman
authors.forename: J G
authors.initials: JG
authors.lastname: Smakman
mesh_terms: D004311:Double-Blind Method; D006261:Headache / Q000188:drug therapy*; D006801:Humans; D016713:Ritanserin / Q000627:therapeutic use*
chemical_list: D016713:Ritanserin