No abstract available
MeSH terms
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Aged, 80 and over
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Aortic Valve / surgery*
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Aortic Valve Stenosis / surgery*
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Cardiac Catheterization / instrumentation*
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Catheters*
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Heart Valve Prosthesis Implantation / instrumentation*
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Heart Valve Prosthesis Implantation / methods
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Humans
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Male