No abstract available
MeSH terms
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Cardiac Valve Annuloplasty* / instrumentation
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Cardiac Valve Annuloplasty* / methods
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Child
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Child Development
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Echocardiography
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Extracellular Matrix / transplantation*
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Heart Valve Diseases / surgery*
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Heart Valves* / growth & development
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Heart Valves* / surgery
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Humans
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Monitoring, Physiologic / methods
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Postoperative Complications* / etiology
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Postoperative Complications* / prevention & control
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Time
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Transplantation, Heterologous