| 41. | Hearn's faulty heart valve had caused him to be fatigued.
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| 42. | This event accelerated the development of other artificial heart valves.
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| 43. | Among them, 18, or 8 percent, had leaky heart valves.
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| 44. | If cholesterol didn't matter, why would statins help heart valves?
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| 45. | It commands 70 percent of the human heart valve market.
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| 46. | CryoLife supplies 70 percent of the nation's donor heart valves.
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| 47. | Five needed surgery to repair or replace damaged heart valves.
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| 48. | She had surgery May 7 to replace a heart valve.
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| 49. | During the subsequent heart valve replacement surgery in January 2013.
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| 50. | The drugs were linked to potentially fatal heart valve damage.
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