title: Cluster headache: the possible significance of midline structures.
authors.affiliation: Department of Neurology, Regionsykehuset, Trondheim University Hospital, Norway.
authors.forename: O
authors.initials: O
authors.lastname: Sjaastad
mesh_terms: D002561:Cerebrovascular Disorders / Q000150:complications; D003027:Cluster Headache / Q000209:etiology / Q000503:physiopathology*; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications; D009915:Orbit / Q000098:blood supply; D011673:Pulsatile Flow; D012039:Regional Blood Flow; D014653:Vascular Headaches / Q000503:physiopathology*; D014657:Vasculitis / Q000150:complications; D014680:Veins