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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later, after robert and other family members said their final goodbyes, hospital workers started wheeling helen out of the room.
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yet these drugs are not a "home run," says elizabeth loder, md, a professor of neurology at harvard medical school and chief of the division of headache at brigham & women's hospital.