Updated April 15, 2010
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An aura often involves some sort of change in a person's vision, such as zigzagging lines, flashing lights, or a temporary blind spot.
Headache Classification Subcommittee of the International Headache Society. The International Classification of Headache Disorders, 2nd edn. Cephalalgia 2004; 24(Suppl. 1): 1-160
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