title: Cluster headache.
authors.forename: J K
authors.initials: JK
authors.lastname: Campbell
mesh_terms: D003027:Cluster Headache / Q000145:classification / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors; D014653:Vascular Headaches / Q000145:classification / Q000175:diagnosis / Q000503:physiopathology