May, A Retinal plasma extravasation in animals but not in humans: implications for the pathophysiology of migraine. [electronic resource] - Brain : a journal of neurology Jul 1998 - 1231-7 p. digital Publication Type: Journal Article ISSN: 0006-8950 Standard No.: 10.1093/brain/121.7.1231 doi Subjects--Topical Terms: AdultAgedAnimalsBlood Vessels--metabolismCapillary Permeability--drug effectsChoroid--blood supplyElectric StimulationFemaleHumansIndoles--pharmacologyIsoindolesMaleMiddle AgedMigraine Disorders--physiopathologyPlasma--metabolismRatsRetinal Vessels--drug effectsSumatriptan--pharmacologyVasoconstrictor Agents--pharmacology