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Since vasodilation in the brain is thought to be involved in the development of migraine and CGRP levels are increased during migraine attacks , this peptide may be an important target for potential new antimigraine drugs .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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