| 21. | Some hospitals had quit using the stents, at least temporarily.
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| 22. | Doctors operate on Dick Cheney, insert stent into heart artery.
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| 23. | The doctor said scar tissue within the stent caused the renarrowing.
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| 24. | Stents are tiny metal mesh tubes used to prop open arteries.
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| 25. | Stent maker : http : / / www . cordis . com
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| 26. | The collaboration with Stent was unsuccessful and ended in April 2006.
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| 27. | The next day a stent was placed in a coronary artery.
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| 28. | Fez subsequently had a second stent inserted May 11, 2007.
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| 29. | The stent is usually inserted with the aid of a cystoscope.
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| 30. | One should approach sex differently with a stent, exercising caution.
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