title: A very unusual headache.
authors.affiliation: Northampton General Hospital, Northampton, UK.
authors.forename: Declan
authors.initials: D
authors.lastname: O'Kane
mesh_terms: D000784:Aortic Dissection / Q000150:complications* / Q000175:diagnosis*; D001014:Aortic Aneurysm / Q000150:complications* / Q000175:diagnosis*; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male