No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adolescent
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Adult
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Cardiac Catheterization
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Cardiac Surgical Procedures
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Child
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Electrocardiography
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Heart Conduction System / physiology
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Heart Conduction System / physiopathology*
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Humans
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Sinoatrial Node / physiology
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Sinoatrial Node / physiopathology*