title: Harlequin syndrome: does a cranial autonomic neuropathy influence headache?
authors.forename: Peter
authors.initials: P
authors.lastname: Drummond
authors.forename: James W
authors.initials: JW
authors.lastname: Lance
mesh_terms: D001342:Autonomic Nervous System Diseases / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology*; D002560:Cerebrovascular Circulation / Q000502:physiology; D005483:Flushing / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology*; D005725:Ganglia, Autonomic / Q000503:physiopathology*; D006261:Headache / Q000150:complications / Q000175:diagnosis / Q000503:physiopathology*; D006801:Humans; D007007:Hypohidrosis / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology*