No abstract available
MeSH terms
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Aortic Valve Stenosis / diagnosis*
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Aortic Valve Stenosis / therapy*
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Cardiology*
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Echocardiography
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Endocarditis / prevention & control
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Humans
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Internal Medicine*
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Mitral Valve Insufficiency / diagnosis*
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Mitral Valve Insufficiency / therapy*
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Practice Patterns, Physicians'* / economics
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Referral and Consultation
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Severity of Illness Index
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United States