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.![](/timesofindia.indiatimes.com/toiitpic/11534/images/1/db8308e9931223fe435b46abad4eabfe_1484908789685_0.jpg)
it's not clear how well they'll stack up against current migraine therapies, because head-to-head studies haven't been done. .
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it's not clear how well they'll stack up against current migraine therapies, because head-to-head studies haven't been done. .