title: A small left pupil and a headache.
authors.affiliation: University of Glasgow.
authors.forename: Phey Ming
authors.initials: PM
authors.lastname: Yeap
authors.forename: Christos
authors.initials: C
authors.lastname: Tziotzios
authors.forename: Nigel
authors.initials: N
authors.lastname: McMillan
authors.forename: Matthew
authors.initials: M
authors.lastname: Walters
mesh_terms: D020215:Carotid Artery, Internal, Dissection / Q000150:complications* / Q000175:diagnosis* / Q000628:therapy; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male; D011681:Pupil Disorders / Q000209:etiology*; D055815:Young Adult