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www.fdanews.com/articles/142700-group-asks-fda-to-withdraw-wingspan-stent-approval

Group Asks FDA to Withdraw Wingspan Stent Approval

December 26, 2011
Consumer advocacy group Public Citizen is petitioning the U.S. Food and Drug Administration to withdraw approval of a stent that is supposed to prevent strokes in people who already have had one because a study found the device actually increases the risk of stroke and death.
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