6Olsen Ts.Migraine with and witbout aura: the samc disease due to cerbral vasospasm of different intensity. A hygothesis based on CBF studies during migraine [J] .Headache, 1990, 30: 269.
7Thie A, Stitzer FK, Kunzek.Transcranial doppler evaluation of common and classic migraine.Part 1 Ultrasonic features during the headache-free period [J] .Hcadache, 1990, 30: 201.
