No abstract available
MeSH terms
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Aged
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Angiodysplasia / etiology
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Aortic Valve Stenosis / complications*
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Aortic Valve Stenosis / surgery
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Bleeding Time
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Female
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Gastrointestinal Hemorrhage / etiology*
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Heart Valve Prosthesis Implantation
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Humans
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Metalloendopeptidases / metabolism
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von Willebrand Diseases / etiology*
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von Willebrand Factor / metabolism
Substances
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von Willebrand Factor
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Metalloendopeptidases