No abstract available
Publication types
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Historical Article
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Research Support, Non-U.S. Gov't
MeSH terms
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Heart Auscultation*
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Heart Murmurs*
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History, 20th Century
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Humans
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Male
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Military Personnel*
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Mitral Valve Insufficiency* / epidemiology
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Mitral Valve Prolapse* / epidemiology
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Neurocirculatory Asthenia*
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United States
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Warfare