title: Painful Horner's syndrome.
authors.affiliation: Addenbrooke's Hospital, Cambridge, UK.
authors.forename: C
authors.initials: C
authors.lastname: Costopoulos
authors.forename: R S
authors.initials: RS
authors.lastname: Patel
authors.forename: C D
authors.initials: CD
authors.lastname: Mistry
mesh_terms: D020215:Carotid Artery, Internal, Dissection / Q000150:complications* / Q000175:diagnosis; D006732:Horner Syndrome / Q000209:etiology* / Q000473:pathology; D006801:Humans; D010146:Pain / Q000209:etiology