F.D.A. to Seek New Proof for Old Medical Devices
Federal regulators said they would ask makers of some of the riskiest medical devices to prove their products are safe and effective — a step critics have said is overdue.br clear=both style=clear: both;/
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http://feeds.nytimes.com/click.phdo?i=3a34f00541795104927a024fc8f18216
