No abstract available
MeSH terms
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Aortic Valve Stenosis / etiology
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Arrhythmias, Cardiac / etiology
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Arthritis, Rheumatoid / complications*
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Cardiomegaly / etiology
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Coronary Disease / etiology
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Electrocardiography
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Endocarditis / etiology
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Heart Block / etiology
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Heart Diseases / etiology*
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Humans
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Mitral Valve Stenosis / etiology
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Myocarditis / etiology
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Pericarditis / etiology