No abstract available
MeSH terms
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Adolescent
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Adult
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Aged
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Aged, 80 and over
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Cardiac Surgical Procedures / statistics & numerical data
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Cardiac Surgical Procedures / trends
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Child
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Female
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Heart Valve Diseases / epidemiology
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Heart Valve Diseases / surgery*
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Heart Valve Prosthesis Implantation / statistics & numerical data*
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Heart Valve Prosthesis Implantation / trends
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Humans
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Male
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Middle Aged
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Poland / epidemiology