No abstract available
MeSH terms
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Adolescent
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Aortic Valve / surgery*
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Aortitis / surgery*
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Bioprosthesis
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Endocarditis, Bacterial / surgery*
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Heart Valve Diseases / surgery*
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Heart Valve Prosthesis
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Heart Valve Prosthesis Implantation / methods
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Humans
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Streptococcal Infections / surgery*