No abstract available
MeSH terms
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Anemia, Hemolytic / etiology*
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Aortic Valve / surgery*
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Blood Transfusion
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Heart Valve Prosthesis*
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Humans
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Male
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Middle Aged
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Mitral Valve / surgery*
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Postoperative Complications / etiology*
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Prosthesis Design
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Prosthesis Failure
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Reoperation
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Rheumatic Heart Disease / surgery*