title: Cluster headache and melatonin.
authors.forename: M F
authors.initials: MF
authors.lastname: Peres
authors.forename: M L
authors.initials: ML
authors.lastname: Seabra
authors.forename: E
authors.initials: E
authors.lastname: Zukerman
authors.forename: S
authors.initials: S
authors.lastname: Tufik
mesh_terms: D001831:Body Temperature; D003027:Cluster Headache / Q000209:etiology / Q000503:physiopathology*; D006801:Humans; D008550:Melatonin / Q000502:physiology*
chemical_list: D008550:Melatonin