No abstract available
MeSH terms
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Aged, 80 and over
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Heart Valve Prosthesis / adverse effects*
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Humans
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Male
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Mitral Valve / pathology
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Mitral Valve / surgery
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Mitral Valve Insufficiency / surgery*
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Reoperation
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Ventricular Outflow Obstruction / etiology*
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Ventricular Outflow Obstruction / surgery*