title: Cluster headache: an overview.
authors.affiliation: Department of Neurology, Huddinge University Hospital, S-141 86 Huddinge, Sweden.
authors.forename: K
authors.initials: K
authors.lastname: Ekbom
mesh_terms: D002940:Circadian Rhythm; D003027:Cluster Headache / Q000188:drug therapy / Q000209:etiology / Q000517:prevention & control; D006801:Humans