title: Interpreting vessel diameter changes in vascular headaches.
authors.forename: M A
authors.initials: MA
authors.lastname: Moskowitz
mesh_terms: D002536:Cerebral Arteries / Q000503:physiopathology*; D006801:Humans; D014653:Vascular Headaches / Q000503:physiopathology*; D014664:Vasodilation / Q000502:physiology