title: A winking warning.
authors.affiliation: Department of Neurology, Lucas Andreas Hospital, Amsterdam, The Netherlands.
authors.forename: M
authors.initials: M
authors.lastname: Padberg
authors.forename: G J
authors.initials: GJ
authors.lastname: Rinkel
authors.forename: R J
authors.initials: RJ
authors.lastname: Hené
authors.forename: T J
authors.initials: TJ
authors.lastname: Rabelink
mesh_terms: D000784:Aortic Dissection / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology; D002340:Carotid Artery Diseases / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology; D002343:Carotid Artery, Internal; D002533:Cerebral Angiography; D006261:Headache / Q000209:etiology; D006801:Humans; D002532:Intracranial Aneurysm / Q000175:diagnosis* / Q000209:etiology / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D016891:Polycystic Kidney, Autosomal Dominant / Q000150:complications; D011680:Pupil / Q000502:physiology; D018616:Ultrasonography, Doppler, Duplex