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Former President George W. Bush waves goodbye after attending the opening ceremony of the George W. Bush Presidential Center April 25, 2013 in Dallas, Texas.
Former President George W. Bush waves goodbye after attending the opening ceremony of the George W. Bush Presidential Center April 25, 2013 in Dallas, Texas.

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    The business of heart stents

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The business of heart stents

Fmr. Pres. George W. Bush received a stent to treat a blocked artery. Stents save lives, but they're also a big business

The business of heart stents

Fmr. Pres. George W. Bush received a stent to treat a blocked artery. Stents save lives, but they're also a big business