Migraine headache is not associated with cerebral or meningeal vasodilatation-alpha 3T magnetic resonance angiography study
Brain, 08/12/08"Schoonman GG et al. - There were no changes in BA and ICA blood flow during either NTG infusion or migraine. In contrast to widespread belief, migraine attacks are not associated with vasodilatation of cerebral or meningeal blood vessels. Future anti-migraine drugs may not require vasoconstrictor action." (From Medlinks)
brain.oxfordjournals.org/cgi/content/abstract/119/5/1419?ck=nck
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