No abstract available
MeSH terms
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Adult
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Echocardiography / methods
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Female
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Humans
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Male
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Middle Aged
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Mitral Valve Insufficiency / diagnosis*
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Mitral Valve Insufficiency / surgery
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Mitral Valve Stenosis / diagnosis*
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Mitral Valve Stenosis / surgery
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Rheumatic Heart Disease / diagnosis*
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Rheumatic Heart Disease / surgery